Melanie Gail Hayden Gephart, MD
Neurological Surgery Physician · Stanford, CA
Melanie Gail Hayden Gephart, MD is a neurological surgery physician with a practice address in Stanford, California, and NPI 1518125210, issued on May 29, 2008. Check the license (California A105004, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Melanie Gail Hayden Gephart
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- A105004 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-5575
- Enumerated
- May 29, 2008
- Record last updated
- Apr 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20141009000498); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cooper Aakhus, MDEmergency Medicine Physician1194351007
- Oliver Aalami, M.D.Vascular Surgery Physician1225229024
- Alistair Aaronson, MDInternal Medicine Physician1457628760
- Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Melanie Gail Hayden Gephart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105004Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average neurological surgery physician in 2024
14 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Stanford Health CareRedwood City, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Melanie Gail Hayden Gephart among 929 neurological surgery physician records in California
Melanie Gail Hayden Gephart, MD is one of 929 neurological surgery physician records with a practice address in California. 77% 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 52% of them.
- NPI issued2008 · 52% of these records are older, 41% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2007 · median 2005 among the 612 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 neurological surgery physician records list a practice address in Stanford
They are 89 of the 5,606 NPPES records with a practice address in Stanford, and 929 neurological surgery physician records in California.
All 929 in California → Every provider in Stanford → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- John Adler, MDStanford, CA 943051780736199
- Steven Chang, MDStanford, CA 943051437214046
- Atman Desai, MDPalo Alto, CA 943051356444822
- Robert Dodd, MD, PHDStanford, CA 943051134276777
- Gerald Grant, M.DStanford, CA 943051689646796
- Odette Harris, MDStanford, CA 943051144237009
- Syed Karim, MD.Stanford, CA 943051619991023
- Robert Lieberson, MDStanford, CA 943051598863326
Common questions
What is Melanie Gail Hayden Gephart, MD's NPI number?
Melanie Gail Hayden Gephart, MD's National Provider Identifier (NPI) is 1518125210, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Melanie Gail Hayden Gephart, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-5575. Providers update this record themselves, so call before visiting.
How can I verify Melanie Gail Hayden Gephart, MD's license?
NPPES lists California license number A105004, 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 Melanie Gail Hayden Gephart, MD prescribe under Medicare Part D?
In 2024, Melanie Gail Hayden Gephart, MD had 14 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Melanie Gail Hayden Gephart, MD's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.