Lynn Gretkowski, MD
Obstetrics & Gynecology Physician · Palo Alto, CA
Lynn Gretkowski, MD is an obstetrics & gynecology physician with a practice address in Palo Alto, California, and NPI 1619083250, issued on Aug 23, 2006. Check the license (California G79304, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lynn Gretkowski
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G79304 CA
Self-reported in NPPES; status is on the state search - Practice location
- 530 Lytton Ave FL 2, Palo Alto, CA 94301
- Phone
- (415) 663-5584
- Enumerated
- Aug 23, 2006
- Record last updated
- Jun 1, 2023
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 530 Lytton Ave FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Campagna, PA-CMedical Physician Assistant1679946040
- Jordan Foster, NPFamily Nurse Practitioner1558728204
- Ruhee GadhiaPhysician Assistant1780058750
- Kelsey Henschel, PHYSICIAN ASSISTANTPhysician Assistant1366872459
- Shannon Lyon, RPAPhysician Assistant1700895141
- Melissa Morrell, FNPFamily Nurse Practitioner1770040347
Verify Lynn Gretkowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G79304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
30 Medicare Part D claims for 19 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Lynn Gretkowski among 5,088 obstetrics & gynecology physician records in California
Lynn Gretkowski, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Palo Alto → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Christie Coleman, M.D.Palo Alto, CA 943011306900964
- Mary Parman, DOPalo Alto, CA 943011194782649
- Fatemeh Parsian, MDPalo Alto, CA 943011487158705
- Dennis SieglerPalo Alto, CA 943011174687743
- Winona Tan, M.D.Palo Alto, CA 943011003904350
- Cynthia Woo, MDPalo Alto, CA 943011689741811
- Jordan Emont, MD MPH SCMEast Palo Alto, CA 943031699394809
- Edward Cohen, MDPalo Alto, CA 943041003838541
Common questions
What is Lynn Gretkowski, MD's NPI number?
Lynn Gretkowski, MD's National Provider Identifier (NPI) is 1619083250, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynn Gretkowski, MD located?
The NPPES record lists a practice address at 530 Lytton Ave FL 2, Palo Alto, CA, 94301. Phone: (415) 663-5584. Providers update this record themselves, so call before visiting.
How can I verify Lynn Gretkowski, MD's license?
NPPES lists California license number G79304, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lynn Gretkowski, MD prescribe under Medicare Part D?
In 2024, Lynn Gretkowski, MD had 30 Medicare Part D claims for 19 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.