NPPES file of Aug 9, 2026

Susana Ines Smith Harbutt, M.D.

Endocrinology, Diabetes & Metabolism Physician · Castro Valley, CA

Susana Ines Smith Harbutt, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Castro Valley, California, and NPI 1588007678, issued on Apr 9, 2013. Check the license (California A136741, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588007678
Name
Susana Ines Smith Harbutt
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
A136741 CA
92819 GA
Self-reported in NPPES; status is on the state search
Practice location
20101 Lake Chabot RD FL 4, Castro Valley, CA 94546
Phone
(510) 204-1844
Enumerated
Apr 9, 2013
Record last updated
Mar 7, 2023
Fax
(510) 506-7729
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 20101 Lake Chabot RD FL 4

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

  1. Radhika Madhavan, MDObstetrics & Gynecology Physician1457513053
  2. Baotram Nguyen, M.D.Obstetrics & Gynecology Physician1255607727
  3. Samuel Santoro, DOObstetrics & Gynecology Physician1013023795
  4. Anna Maria Sapugay, MDObstetrics & Gynecology Physician1972514966
  5. Julie Siegel, LCSWClinical Social Worker1730944240

Verify Susana Ines Smith Harbutt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A136741
    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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The MIPS final score for 2023 (Medicare payment program): 92.3 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.

  1. Qualityout of 100 · 30% of the final score73.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Susana Ines Smith Harbutt among 1,131 endocrinology, diabetes & metabolism physician records in California

Susana Ines Smith Harbutt, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.

  • NPI issued2013 · 77% of these records are older, 20% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Amer Budayr, MDCastro Valley, CA 945461700958451
  2. Jennifer CaseyCastro Valley, CA 945461750524575
  3. Nalurporn Chokrungvaranon, M.D.Castro Valley, CA 945461922209436
  4. Samuel Fantaye, MDCastro Valley, CA 945461336677186
  5. Farnoosh FarrokhiCastro Valley, CA 945461467618454
  6. Marcia Peck, MDCastro Valley, CA 945461376569475
  7. Stanley Tan, MDCastro Valley, CA 945461396747721
  8. Frank Hsu, M.D.Hayward, CA 945411295800365

Common questions

What is Susana Ines Smith Harbutt, M.D.'s NPI number?

Susana Ines Smith Harbutt, M.D.'s National Provider Identifier (NPI) is 1588007678, issued on Apr 9, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Susana Ines Smith Harbutt, M.D. located?

The NPPES record lists a practice address at 20101 Lake Chabot RD FL 4, Castro Valley, CA, 94546. Phone: (510) 204-1844. Providers update this record themselves, so call before visiting.

How can I verify Susana Ines Smith Harbutt, M.D.'s license?

NPPES lists California license number A136741, 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.

What is Susana Ines Smith Harbutt, M.D.'s MIPS final score?

The 2023 MIPS final score is 92.3 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.