Maryam Hadiashar, M.D.
Gynecology Physician · Redwood City, CA
Maryam Hadiashar, M.D. is a gynecology physician with a practice address in Redwood City, California, and NPI 1306011259, issued on Apr 22, 2008. Check the license (California A105164, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maryam Hadiashar
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License numbers
- A105164 CA
41054 AZ
MD169778 OR
Self-reported in NPPES; status is on the state search - Practice location
- 905 Maple St FL 4, Redwood City, CA 94063
- Phone
- (650) 299-2015
- Enumerated
- Apr 22, 2008
- Record last updated
- Apr 13, 2023
- Medicaid ID
- 500677509 OR
- Medicare enrollment
- Enrolled (PECOS I20230720002977); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 369 in California → Look up another NPI →
Also registered at 905 Maple St FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annahita Farshchi, M.D.Obstetrics & Gynecology Physician1538429998
- Madelyn Hurley, RNRegistered Nurse1902782006
- Angelique Kim, MDObstetrics & Gynecology Physician1013458868
Verify Maryam Hadiashar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105164Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average gynecology physician in 2024
136 Medicare Part D claims for 62 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Estradiol51 claims
- Lamotrigine14 claims
- Losartan Potassium11 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.
Bills Medicare through one group practice
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maryam Hadiashar among 369 gynecology physician records in California
Maryam Hadiashar, M.D. is one of 369 gynecology physician records with a practice address in California. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 76% of them.
- NPI issued2008 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2005 · median 1995 among the 141 with a school on file
- Record last updated2023 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in California
There are 369 gynecology physician records in California.
All 369 in California → Every provider in Redwood City → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Michael Nwynn, MDRedwood City, CA 940631629157367
- Christina RisingRedwood City, CA 940631497850564
- Azadeh Nezhat, M.D.Woodside, CA 940611396737003
- Anna Anderson, MDMountain View, CA 940401457577801
- Barbara Peters, M.D.Mountain View, CA 940401417955741
- Leasa Lowy, MDMenlo Park, CA 940251861456139
- Sherwin Lewis, MDLos Altos, CA 940241740510130
- Christy Beyer, M.D.Los Altos Hills, CA 940221144288127
Common questions
What is Maryam Hadiashar, M.D.'s NPI number?
Maryam Hadiashar, M.D.'s National Provider Identifier (NPI) is 1306011259, issued on Apr 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maryam Hadiashar, M.D. located?
The NPPES record lists a practice address at 905 Maple St FL 4, Redwood City, CA, 94063. Phone: (650) 299-2015. Providers update this record themselves, so call before visiting.
How can I verify Maryam Hadiashar, M.D.'s license?
NPPES lists California license number A105164, 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 Maryam Hadiashar, M.D. prescribe under Medicare Part D?
In 2024, Maryam Hadiashar, M.D. had 136 Medicare Part D claims for 62 beneficiaries; the average among gynecology physician prescribers was 299. 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.