Therese Chan-McNabb, M.D.
Internal Medicine Physician · Atascadero, CA
Therese Chan-McNabb, M.D. is an internal medicine physician with a practice address in Atascadero, California, and NPI 1477597128, issued on Jun 15, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Therese Chan-McNabb
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 10333 EL Camino Real, Atascadero, CA 93422
- Phone
- (805) 468-2000
- Enumerated
- Jun 15, 2006
- Entity
- Type 1 · individual
Also registered at 10333 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hossein Akhavan, M.D.Internal Medicine Physician1871779942
Verify Therese Chan-McNabb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
18 Medicare Part D claims for 12 beneficiaries, against an average of 2,785 among the 127,794 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 Medicare quality score for 2023: 94.6 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).
One hospital or facility affiliation
- Department OF State HospitalsAtascadero, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
12 internal medicine physician records list a Atascadero practice address
They are 12 of the 992 NPPES records with a Atascadero practice address, and 20,403 internal medicine physician records in California.
All 12 in Atascadero → All 20,403 in California → Every provider in Atascadero →
Other internal medicine physician records in California
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- Alistair Aaronson, MDStanford, CA1457628760
- 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 Therese Chan-McNabb, M.D.'s NPI number?
Therese Chan-McNabb, M.D.'s National Provider Identifier (NPI) is 1477597128, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Therese Chan-McNabb, M.D. located?
The NPPES record lists a practice address at 10333 EL Camino Real, Atascadero, CA, 93422. Phone: (805) 468-2000. Providers update this record themselves, so call before visiting.
How can I verify Therese Chan-McNabb, M.D.'s license?
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 Therese Chan-McNabb, M.D. prescribe under Medicare Part D?
In 2024, Therese Chan-McNabb, M.D. had 18 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Therese Chan-McNabb, M.D.'s Medicare quality score?
The 2023 MIPS final score is 94.6 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.