AN
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nilsen, Obstetrician / Gynecologist (OBGYN) in Chicago, IL?
Dr. Annika Nilsen, MD is an Obstetrician / Gynecologist (OBGYN), who primarily practices in Chicago, IL with 2 additional practice locations. Dr. Nilsen is fluent in English, and is currently seeing new patients. Dr. Nilsen’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nilsen’s office at (312) 503-7975.
What languages does Dr. Nilsen speak?
Dr. Nilsen and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Nilsen treat?
As an Obstetrician / Gynecologist (OBGYN), Dr. Nilsen diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Nilsen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Third Trimester Prenatal Care
- First Trimester Prenatal Care
- Second Trimester Prenatal Care
- Prenatal Care for Normal Pregnancy
- Prenatal Care
- Late pregnancy care
- Third trimester check-ups
- Antenatal care in late pregnancy
- Early pregnancy care
- First trimester check-ups
- Antenatal care in early pregnancy
- Mid-pregnancy care
- Second trimester check-ups
- Antenatal care in mid-pregnancy
- Late Pregnancy Check-ups
- Routine Third Trimester Care
- Maternity Care (Third Trimester)
- Routine pregnancy check-ups
- Standard antenatal care
- Normal pregnancy supervision
- Routine Pregnancy Check-ups
- Maternity Care
- Normal Pregnancy Supervision
ICD-10 Codes:
- Z3403: Encounter for supervision of normal first pregnancy, third trimester
- Z3401: Encounter for supervision of normal first pregnancy, first trimester
- Z3402: Encounter for supervision of normal first pregnancy, second trimester
- Z3483: Encounter for supervision of other normal pregnancy, third trimester
- Z3480: Encounter for supervision of other normal pregnancy, unspecified trimester
- Z3481: Encounter for supervision of other normal pregnancy, first trimester
- Z3490: Encounter for supervision of normal pregnancy, unspecified, unspecified trimester
Also known as:
- Routine Gynecological Exam (Normal Findings)
- Women's Health Checkup
- Women's checkup, all clear
- Pelvic exam, normal results
- OB/GYN visit, no issues
ICD-10 Codes:
- Z01419: Encounter for gynecological examination (general) (routine) without abnormal findings
Also known as:
- Sexually Transmitted Infection (STI) Screening
- Health Screening
- STD screening
- Sexual health check
- Venereal disease test
ICD-10 Codes:
- Z113: Encounter for screening for infections with a predominantly sexual mode of transmission
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Male Circumcision
- Circumcision
- Foreskin removal
- Routine circumcision
- Ritual circumcision
ICD-10 Codes:
- Z412: Encounter for routine and ritual male circumcision
Also known as:
- Low-Grade Abnormal Cells on Pap Test (LGSIL)
- Cervical Cancer Screening
- Cervix Disorder
- Abnormal Pap Smear
- LGSIL Pap Test
- Mild Cervical Dysplasia
- Low-Grade Squamous Intraepithelial Lesion
ICD-10 Codes:
- R87612: Low grade squamous intraepithelial lesion on cytologic smear of cervix (LGSIL)
Also known as:
- Abnormal Uterine and Vaginal Bleeding
- Vaginal Bleeding
- Unusual Uterine Bleeding
- Abnormal Vaginal Discharge
- AUB
- Irregular Genital Bleeding
ICD-10 Codes:
- N939: Abnormal uterine and vaginal bleeding, unspecified
Also known as:
- Other General Family Planning Counseling
- Additional Reproductive Health Advice
- Comprehensive Procreation Guidance
- Advanced Fertility Planning Counseling
ICD-10 Codes:
- Z3169: Encounter for other general counseling and advice on procreation
Also known as:
- Anemia during Late Pregnancy
- Anemia
- Health Problems in Pregnancy
- Low iron in third trimester
- Late pregnancy anemia
- Blood deficiency during third trimester
ICD-10 Codes:
- O99013: Anemia complicating pregnancy, third trimester
Also known as:
- Other Vaginal Disorder
- Vaginal Disease
- Non-inflammatory Vaginal Conditions
- Specific Vaginal Problems
ICD-10 Codes:
- N898: Other specified noninflammatory disorders of vagina
Also known as:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- Getting an IUD
- IUD procedure
ICD-10 Codes:
- Z30430: Encounter for insertion of intrauterine contraceptive device
Also known as:
- Other Post-Surgery Condition
- Postoperative State
- Recovery After Surgery
- Surgical Follow-up
ICD-10 Codes:
- Z98890: Other specified postprocedural states
Also known as:
- Other Genetic and Chromosomal Screening
- Genetic Testing
- Health Screening
- Additional Genetic Testing
- Advanced Chromosome Screening
- Specific Genetic Anomaly Screening
ICD-10 Codes:
- Z1379: Encounter for other screening for genetic and chromosomal anomalies
Also known as:
- Missed Miscarriage
- Miscarriage
- Silent miscarriage
- Delayed miscarriage
- Missed abortion
ICD-10 Codes:
- O021: Missed abortion
What procedures does Dr. Nilsen perform?
As an Obstetrician / Gynecologist (OBGYN), Dr. Nilsen performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Nilsen. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Fetal Non-Stress Test
- Nonstress Test
- Nonstress Test (NST)
- Fetal Heart Rate Monitoring
- NST for Pregnancy
- Baby Heartbeat Test
CPT Codes:
- 59025: Fetal non-stress test
Also known as:
- Comprehensive Prenatal Care (7+ Visits)
- Prenatal Care
- Antepartum Care
- Pregnancy Check-ups
- Maternity Care
- Obstetric Visits
CPT Codes:
- 59426: Antepartum care only; 7 or more visits
Also known as:
- Surgical Treatment for Missed Miscarriage (First Trimester)
- D&C for Missed Abortion
- Surgical Miscarriage Management
- First Trimester Missed Abortion Treatment
CPT Codes:
- 59820: Treatment of missed abortion, completed surgically; first trimester
Also known as:
- Prenatal Care Visits (4-6)
- Prenatal Care
- Antepartum visits
- Pregnancy check-ups
- Maternity care appointments
CPT Codes:
- 59425: Antepartum care only; 4-6 visits
Also known as:
- IUD Insertion
- Birth Control
- Intrauterine device placement
- IUD placement
- Birth control implant
CPT Codes:
- 58300: Insertion of intrauterine device (IUD)
Also known as:
- Hysteroscopy with Biopsy or Polyp Removal
- Biopsy
- Hysteroscopy
- Uterine Scope with Biopsy
- Hysteroscopic Polypectomy
- D&C with Hysteroscopy
CPT Codes:
- 58558: Hysteroscopy, surgical; with sampling (biopsy) of endometrium and/or polypectomy, with or without D & C
Also known as:
- Colposcopy with Cervical Biopsy and Curettage
- Colposcopy
- Cervical Biopsy
- Endocervical Curettage
- Pap Smear Follow-up Procedure
CPT Codes:
- 57454: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix and endocervical curettage
Also known as:
- IUD Removal
- Birth Control
- Intrauterine device removal
- Take out IUD
- Remove birth control device
- IUD explant
CPT Codes:
- 58301: Removal of intrauterine device (IUD)
Also known as:
- Colposcopy with Cervical Biopsy
- Biopsy
- Colposcopy
- Vaginal Colposcopy with Biopsy
- Cervix Biopsy
CPT Codes:
- 57455: Colposcopy of the cervix including upper/adjacent vagina; with biopsy(s) of the cervix
Does Dr. Nilsen accept my insurance?
Dr. Nilsen accepts most major insurance plans. Important: Please call our office at (312) 503-7975 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nilsen accept in Chicago, IL?
Dr. Nilsen in Chicago, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Chevron
Cook County Health & Hospitals System
CVS Health (formerly Aetna)
Express Scripts
Federal Employee Program
Health Care Service Corporation (HCSC)
State of Illinois
State of Nevada
UnitedHealthcare
View All Insurances
Where is Dr. Nilsen's office located?
Dr. Annika Nilsen's Primary Practice
676 N Saint Clair St Ste 1310
Chicago, IL 60611
(312) 503-7975
What is Dr. Nilsen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nilsen's National Provider Identifier (NPI) number is 1871048058.
What common questions do patients ask about Dr. Nilsen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nilsen
What is Dr. Annika Nilsen's specialty?
Dr. Nilsen is a Obstetrician / Gynecologist (OBGYN) near Chicago, IL. An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life. Contact Dr. Nilsen to book an appointment today.
Is this Dr. Annika Nilsen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nilsen is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Lake Forest Hospital, Northwestern Medicine Palos Hospital, Northwestern Medicine McHenry Hospital, Northwestern Medicine Kishwaukee Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Obstetrician / Gynecologist (OBGYN)?
Explore Obstetrician / Gynecologist (OBGYN) with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Annika Nilsen accepting new patients in Chicago, IL?
Yes, Dr. Annika Nilsen is accepting new patients at this time.
Does Dr. Annika Nilsen offer online booking?
Please contact Dr. Nilsen's office at (312) 503-7975 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Annika Nilsen?
Please contact Dr. Nilsen's office at (312) 503-7975 for information regarding telehealth appointment availability or for scheduling assistance.
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