Barbara Mah Hom, MD
Internal Medicine Physician · Los Gatos, CA
Barbara Mah Hom, MD is an internal medicine physician with a practice address in Los Gatos, California, and NPI 1356388516, issued on May 31, 2006. Check the license (California G524790, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barbara Mah Hom
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G524790 CA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Dardanelli Lane, Los Gatos, CA 95032
- Phone
- (408) 370-7801
- Enumerated
- May 31, 2006
- Record last updated
- Jul 20, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (408) 370-1175
- Medicaid ID
- 00G524790 CA
- Medicare enrollment
- Enrolled (PECOS I20110302001052); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 320 Dardanelli Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Gould, MDNeurology Physician1437223211
- Bassam Saffouri, MDGastroenterology Physician1992758973
- Richard Weiser, MDFamily Medicine Physician1861531980
Verify Barbara Mah Hom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G524790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average internal medicine physician in 2024
3,619 Medicare Part D claims for 306 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium391 claims
- Levothyroxine Sodium208 claims
- Losartan Potassium201 claims
- Amlodipine Besylate162 claims
- Metoprolol Succinate99 claims
- Losartan-Hydrochlorothiazide90 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 MIPS final score for 2023 (Medicare payment program): 77 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13.55
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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.
47 internal medicine physician records list a practice address in Los Gatos
They are 47 of the 1,905 NPPES records with a practice address in Los Gatos, and 17,696 internal medicine physician records in California.
All 47 in Los Gatos → All 17,696 in California → Every provider in Los Gatos →
Other internal medicine physician records in California
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- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Barbara Mah Hom, MD's NPI number?
Barbara Mah Hom, MD's National Provider Identifier (NPI) is 1356388516, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Mah Hom, MD located?
The NPPES record lists a practice address at 320 Dardanelli Lane, Los Gatos, CA, 95032. Phone: (408) 370-7801. Providers update this record themselves, so call before visiting.
How can I verify Barbara Mah Hom, MD's license?
NPPES lists California license number G524790, 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 Barbara Mah Hom, MD prescribe under Medicare Part D?
In 2024, Barbara Mah Hom, MD had 3,619 Medicare Part D claims for 306 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Barbara Mah Hom, MD's MIPS final score?
The 2023 MIPS final score is 77 of 100. 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.