NPPES file of Aug 9, 2026

Bryant Andrew Hammershaimb, MD

Cardiovascular Disease Physician · Baldwin Park, CA

Bryant Andrew Hammershaimb, MD is a cardiovascular disease physician with a practice address in Baldwin Park, California, and NPI 1780210724, issued on Mar 22, 2020. Check the license (California A178677, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780210724
Name
Bryant Andrew Hammershaimb
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
A178677 CA
Self-reported in NPPES; status is on the state search
Practice location
1011 Baldwin Park Blvd, Baldwin Park, CA 91706
Phone
(833) 574-2273
Enumerated
Mar 22, 2020
Record last updated
Jul 28, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1011 Baldwin Park Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Abdulla, M.D.Surgery Physician1699200840
  2. Julia Aburto-Erazo, NPNurse Practitioner1922175777
  3. Mauricio Acevedo, MDInternal Medicine Physician1659442614
  4. Helen Achio, PHARM.D.Pharmacist1225114614
  5. Olufemi Adenuga, M.D, MPHPulmonary Disease Physician1134389125
  6. Soma Agarwal, MDOphthalmology Physician1437220316

Verify Bryant Andrew Hammershaimb in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A178677
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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100% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

12 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Bryant Hammershaimb12
  2. Specialty average3,078

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: $554.63

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.

  1. Bryant Hammershaimb$554.63
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bryant Andrew Hammershaimb among 2,574 cardiovascular disease physician records in California

Bryant Andrew Hammershaimb, 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 2020, is newer than 97% of them.

  • NPI issued2020 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • 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.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Timothy Cotter, MDBaldwin Park, CA 917061871660720
  2. Previn De Silva, MDBaldwin Park, CA 917061073793626
  3. Godofredo Gutierrez, MDBaldwin Park, CA 917061386711307
  4. Vivian Tan, M.D.Baldwin Park, CA 917061093807679
  5. Joseph Chan, DOChino, CA 917101922493139
  6. John Choie, MDChino, CA 917101497768683
  7. Jiangnan Wang, MDChino, CA 917101689680548
  8. Andre Andresian, M.D.Covina, CA 917231861589269

Common questions

What is Bryant Andrew Hammershaimb, MD's NPI number?

Bryant Andrew Hammershaimb, MD's National Provider Identifier (NPI) is 1780210724, issued on Mar 22, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Bryant Andrew Hammershaimb, MD located?

The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.

How can I verify Bryant Andrew Hammershaimb, MD's license?

NPPES lists California license number A178677, 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 Bryant Andrew Hammershaimb, MD prescribe under Medicare Part D?

In 2024, Bryant Andrew Hammershaimb, MD had 12 Medicare Part D claims; 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.