Mary Omalley Gray, MD
Cardiovascular Disease Physician · San Francisco, CA
Mary Omalley Gray, MD is a cardiovascular disease physician with a practice address in San Francisco, California, and NPI 1124062013, issued on Jun 15, 2006. Check the license (California G64546, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mary Omalley Gray
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- G64546 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Avenue, San Francisco, CA 94110
- Phone
- (415) 206-3503
- Enumerated
- Jun 15, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (415) 206-5100
- Medicaid ID
- 00G645460 CA
- Medicare enrollment
- Enrolled (PECOS I20080701000341); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 1001 Potrero Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Babik, MDInternal Medicine Physician1457421208
- Roland Bainton, MDAnesthesiology Physician1376596213
Verify Mary Omalley Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G64546Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
966 Medicare Part D claims for 141 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Metoprolol Succinate148 claims
- Atorvastatin Calcium122 claims
- Jardiance76 claims
- Entresto73 claims
- Eliquis57 claims
- Furosemide52 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): 91.9 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).
Industry payments in 2024: $34.74
1 payment: food and beverage; the largest payer was Abiomed. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Omalley Gray among 2,574 cardiovascular disease physician records in California
Mary Omalley Gray, MD is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1987 · median 1999 among the 1,742 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in San Francisco → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Melvin Cheitlin, MDSan Francisco, CA 941101508808189
- Peter Ganz, MDSan Francisco, CA 941101295771301
- Robert Gillespie, M.D.San Francisco, CA 941101740290873
- Leonora Goldschlager, MDSan Francisco, CA 941101215970538
- Dhruv Kazi, MD, MSC, MSSan Francisco, CA 941101407055296
- Edward Kersh, MDSan Francisco, CA 941101114938875
- Shawn Li, MDSan Francisco, CA 941101497243125
- John Macgregor, MDSan Francisco, CA 941101831131846
Common questions
What is Mary Omalley Gray, MD's NPI number?
Mary Omalley Gray, MD's National Provider Identifier (NPI) is 1124062013, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Omalley Gray, MD located?
The NPPES record lists a practice address at 1001 Potrero Avenue, San Francisco, CA, 94110. Phone: (415) 206-3503. Providers update this record themselves, so call before visiting.
How can I verify Mary Omalley Gray, MD's license?
NPPES lists California license number G64546, 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 Mary Omalley Gray, MD prescribe under Medicare Part D?
In 2024, Mary Omalley Gray, MD had 966 Medicare Part D claims for 141 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Mary Omalley Gray, MD's MIPS final score?
The 2023 MIPS final score is 91.9 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.