Hannah Regina Gray, MD
Cardiovascular Disease Physician · San Jose, CA
Hannah Regina Gray, MD is a cardiovascular disease physician with a practice address in San Jose, California, and NPI 1114424181, issued on Apr 6, 2018. Check the license (California A166424, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hannah Regina Gray
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A166424 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2581 Samaritan Dr Ste 202, San Jose, CA 95124
- Phone
- (408) 358-3939
- Enumerated
- Apr 6, 2018
- Record last updated
- Sep 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250903001892); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 2581 Samaritan Dr Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Culbreath, PA-CPhysician Assistant1558725176
- Anh-Quan Nguyen, M.D.Interventional Cardiology Physician1013188051
- Marcela SajfrNurse Practitioner1578270690
- Ekaterina Troitskaya, FNP-CNurse Practitioner1174037451
- Fahd YunusCardiovascular Disease Physician1922493782
Verify Hannah Regina Gray in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
79 Medicare Part D claims for 24 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% 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.
Industry payments in 2024: $399.48
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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
- Sutter Bay Medical FoundationSanta Cruez, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah Regina Gray among 2,574 cardiovascular disease physician records in California
Hannah Regina 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 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2018 · median 1999 among the 1,742 with a school on file
- Record last updated2025 · 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 Jose → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Joseph Casey, M.D.San Jose, CA 951241124083472
- Stephen Green, M.D.San Jose, CA 951241376508606
- Anjali Gulati, MDSan Jose, CA 951241124190954
- Raymond Huang, M.D.San Jose, CA 951241891783437
- Young Kim, MD,PHDSan Jose, CA 951241700207941
- Ada Koransky, M.D.San Jose, CA 951241134184641
- Durga Madala, M.D.San Jose, CA 951241184650772
- Mohammed Qayyum, MDSan Jose, CA 951241679666994
Common questions
What is Hannah Regina Gray, MD's NPI number?
Hannah Regina Gray, MD's National Provider Identifier (NPI) is 1114424181, issued on Apr 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Regina Gray, MD located?
The NPPES record lists a practice address at 2581 Samaritan Dr Ste 202, San Jose, CA, 95124. Phone: (408) 358-3939. Providers update this record themselves, so call before visiting.
How can I verify Hannah Regina Gray, MD's license?
NPPES lists California license number A166424, 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 Hannah Regina Gray, MD prescribe under Medicare Part D?
In 2024, Hannah Regina Gray, MD had 79 Medicare Part D claims for 24 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.