34 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Klein, Reproductive Endocrinologist in Seattle, WA?
Dr. Nancy A. Klein is a board-certified reproductive endocrinologist and infertility specialist and a founding partner of Seattle Reproductive Medicine (now Pinnacle Fertility Washington). Widely respected for her compassionate, patient-centered care, she is dedicated to helping patients navigate complex fertility decisions and achieve their family-building goals. Dr. Klein has served as SRM’s IVF Practice Director, where she played a key role in maintaining high success rates while leading efforts to reduce high-risk multiple pregnancies.
Internationally recognized for her research, Dr. Klein is an expert in reproductive aging, egg donation, ovulation induction, and the biology of the human ovary across the lifespan. Her work—funded by the National Institutes of Health—has been widely published in leading medical journals and textbooks for more than two decades. She previously held a faculty appointment at the University of Washington School of Medicine from 1993 to 2004. Throughout her career, Dr. Klein has been recognized multiple times as a Top Doctor by both Seattle Magazine and Seattle Metropolitan magazine for her contributions to reproductive medicine and patient care.
WebsiteWhat are Areas of Expertise for Dr. Klein?
Dr. Nancy Klein, MD is a highly-rated, board-certified Reproductive Endocrinologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Klein empowers patients to confidently navigate their health journey, specializing in Egg & Embryo Freezing, Endometriosis and Fertility, In Vitro Fertilization (IVF) , Infertility, Infertility-Advanced Maternal Age, LGBTQ+ Family Building, Miscarriage-Recurrent, Oncofertility, Polycystic Ovarian Syndrome, Third-Party Reproduction, and comprehensive wellness support. Serving the Seattle, WA community, Dr. Klein is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Klein go to medical school and complete their residency?
Residency: Vanderbilt University Medical Center Program
Medical School: Vanderbilt University School of Medicine
What languages does Dr. Klein speak?
Dr. Klein and their clinical team can communicate with patients in the following languages:
English
What conditions does a Reproductive Endocrinologist like Dr. Klein typically treat?
As a Reproductive Endocrinologist, Dr. Klein 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. Klein. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Fertility Testing
- Other Fertility Investigation and Testing
- Infertility
- Infertility testing
- Reproductive health assessment
- Fertility evaluation
- Miscellaneous reproductive testing
- Advanced fertility workup
- Specialized procreative investigation
ICD-10 Codes:
- Z3141: Encounter for fertility testing
- Z3149: Encounter for other procreative investigation and testing
Also known as:
- Assisted Reproductive Technology (ART) Cycle
- Assisted Reproductive Technology
- Infertility
- In Vitro Fertilization (IVF) Cycle
- Fertility Treatment Cycle
- ART Procedure
ICD-10 Codes:
- Z3183: Encounter for assisted reproductive fertility procedure cycle
Also known as:
- Other Fertility and Family Planning Management
- Miscellaneous Reproductive Management
- Advanced Procreation Services
- Comprehensive Family Planning
ICD-10 Codes:
- Z3189: Encounter for other procreative management
Also known as:
- First Trimester Pregnancy Supervision for Infertility History
- Female Infertility
- Health Problems in Pregnancy
- Early Pregnancy Monitoring After Infertility
- First Trimester High-Risk Pregnancy Due to Infertility
- Infertility Pregnancy Care First Trimester
ICD-10 Codes:
- O0901: Supervision of pregnancy with history of infertility, first trimester
What procedures does a Reproductive Endocrinologist like Dr. Klein typically perform?
As a Reproductive Endocrinologist, Dr. Klein 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. Klein. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Uterine Catheterization for Imaging
- Saline Infusion Sonohysterography Prep
- Hysterosalpingography Prep
- Uterine Contrast Injection
CPT Codes:
- 58340: Catheterization and introduction of saline or contrast material for saline infusion sonohysterography (SIS) or hysterosalpingography
Also known as:
- Embryo Transfer to Uterus
- Intrauterine Artificial Insemination (IUI)
- Intrauterine Embryo Transfer
- IVF Embryo Transfer
- Assisted Reproduction Embryo Transfer
- Fertility Embryo Placement
- IUI procedure
- Artificial insemination (IUI)
- Sperm injection into uterus
CPT Codes:
- 58974: Embryo transfer, intrauterine
- 58322: Artificial insemination; intra-uterine
Also known as:
- Diagnostic Hysteroscopy
- Hysteroscopy
- Uterine Scope
- Hysteroscopic Exam
- Diagnostic Uterus Scope
CPT Codes:
- 58555: Hysteroscopy, diagnostic (separate procedure)
Also known as:
- Egg Retrieval for IVF
- Oocyte Retrieval
- Follicle Aspiration
- IVF Egg Collection
CPT Codes:
- 58970: Follicle puncture for oocyte retrieval, any method
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:
- Paracervical Nerve Block (Uterine)
- Uterine Nerve Block
- Cervical Nerve Injection
- Pelvic Pain Injection
- Anesthetic for Uterus
CPT Codes:
- 64435: Injection(s), anesthetic agent(s) and/or steroid; paracervical (uterine) nerve
Does Dr. Klein accept my insurance?
Dr. Klein accepts most major insurance plans. Important: Please call our office at (206) 301-5000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Klein accept in Seattle, WA?
Dr. Klein in Seattle, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cambia Health Solutions
Cigna Group
CVS Health (formerly Aetna)
Healthcare Management Administrators (HMA)
Kaiser Permanente
Premera Blue Cross
Progyny
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Klein's office located?
Pinnacle Fertility Washington
1505 Westlake Avenue North, Suite 400
Seattle, WA 98109
(206) 301-5000
Recognitions
Awards
Seattle Super Doctors
Q&A with Dr. Nancy Klein, MD
What is Dr. Klein's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Klein's National Provider Identifier (NPI) number is 1255424131.
What common questions do patients ask about Dr. Klein?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Klein
What is Dr. Nancy Klein's specialty?
Dr. Klein is a Reproductive Endocrinologist near Seattle, WA.
What does a Reproductive Endocrinologist do?
An obstetrician/gynecologist specializing in reproductive endocrinology and infertility is skilled in managing complex issues related to hormonal disorders and infertility in women. This specialist employs advanced diagnostic and treatment options to address reproductive health concerns and assist individuals and couples in achieving their family planning goals.
Is this Dr. Nancy Klein affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Klein is affiliated with Confluence Health Hospital - Central Campus, St. Luke's Boise Medical Center, Virginia Mason Medical Center, Corewell Health Beaumont Grosse Pointe Hospital, Fred Hutchinson Cancer Center 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
When to see a Reproductive Endocrinologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Reproductive Endocrinologist. Explore 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 Nancy Klein accepting new patients in Seattle, WA?
Yes, Dr. Nancy Klein is accepting new patients at this time.
Does Dr. Nancy Klein offer online booking?
Please contact Dr. Klein's office at (206) 301-5000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Nancy Klein?
Please contact Dr. Klein's office at (206) 301-5000 for information regarding telehealth appointment availability or for scheduling assistance.
Other Reproductive Endocrinologist Near Seattle, WA
Accepting patientsDr. Lynn Davis, MD is a Reproductive Endocrinologist, who primarily practices in Seattle, WA. She has been practicing for over 19 years.
Accepting patientsDr. Paul Lin, MD is a Reproductive Endocrinologist, who primarily practices in Seattle, WA with 1 additional practice location.
MS
Reproductive Endocrinologist
Accepting patientsDr. Micheal Soules, MD is a Reproductive Endocrinologist, who primarily practices in Seattle, WA.
Seattle, WA
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