Kevin Thien Ha
Internal Medicine Physician · Oakland, CA
Kevin Thien Ha is an internal medicine physician with a practice address in Oakland, California, and NPI 1174084834, issued on Mar 26, 2019. Check the license (California 20A19570, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kevin Thien Ha
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A19570 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1411 E 31St St FL 2, Oakland, CA 94602
- Phone
- (510) 437-5039
- Enumerated
- Mar 26, 2019
- Record last updated
- Aug 4, 2022
- Fax
- (510) 535-7313
- Medicare enrollment
- Enrolled (PECOS I20220802001975); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 2019
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1411 E 31St St FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kevin Thien Ha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19570Check 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 internal medicine physician in 2024
94 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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 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).
Bills Medicare through one group practice
- Alameda Health SystemOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kevin Thien Ha among 17,696 internal medicine physician records in California
Kevin Thien Ha is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
432 internal medicine physician records list a practice address in Oakland
They are 432 of the 18,558 NPPES records with a practice address in Oakland, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Oakland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lyn Berry, MDOakland, CA 946021528078193
- Helen Driscoll, MDOakland, CA 946021720168230
- Julia Follette, M.D.Oakland, CA 946021730364480
- Sheira Freedman, MDOakland, CA 946021700896396
- Elaina Guerin, D.O.Oakland, CA 946021720286446
- Kathleen Hicks, M.D.Oakland, CA 946021902850209
- Francisco Isolani, M.D.Oakland, CA 946021326185265
- Annemarie Mallick, D.O.Oakland, CA 946021588633507
Common questions
What is Kevin Thien Ha's NPI number?
Kevin Thien Ha's National Provider Identifier (NPI) is 1174084834, issued on Mar 26, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Thien Ha located?
The NPPES record lists a practice address at 1411 E 31St St FL 2, Oakland, CA, 94602. Phone: (510) 437-5039. Providers update this record themselves, so call before visiting.
How can I verify Kevin Thien Ha's license?
NPPES lists California license number 20A19570, 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 Kevin Thien Ha prescribe under Medicare Part D?
In 2024, Kevin Thien Ha had 94 Medicare Part D claims for 30 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Kevin Thien Ha's MIPS final score?
The 2023 MIPS final score is 91 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.