NPPES file of Aug 9, 2026

Charles Christopher Donner, M.D.

Endocrinology, Diabetes & Metabolism Physician · Santa Barbara, CA

Charles Christopher Donner, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Santa Barbara, California, and NPI 1245242197, issued on Aug 12, 2006. Check the license (California G49701, 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
1245242197
Name
Charles Christopher Donner
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
G49701 CA
Self-reported in NPPES; status is on the state search
Practice location
215 Pesetas LN, Santa Barbara, CA 93110
Phone
(805) 681-1761
Enumerated
Aug 12, 2006
Record last updated
Feb 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(805) 681-1768
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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8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →

Also registered at 215 Pesetas LN

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

  1. Jim Aldecoa, RPHPharmacist1366451940
  2. Nicole Almanza, RD, CDCES, CHESRegistered Dietitian1316594781
  3. Thomas Anderson, M.D.Emergency Medicine Physician1770697872
  4. Edward Andrews, P.T.Physical Therapist1235243239
  5. Gabriella Apollonio, PA-CPhysician Assistant1497237598
  6. Ryan Arnold, M.D.Emergency Medicine Physician1033314075

Verify Charles Christopher Donner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G49701    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

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26% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,953 Medicare Part D claims for 490 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.

  1. Charles Donner1,953
  2. Specialty average2,630

Most prescribed

  1. Synthroid648 claims
  2. Levothyroxine Sodium586 claims
  3. Liothyronine Sodium91 claims
  4. Levoxyl60 claims
  5. Calcitriol33 claims
  6. Armour Thyroid32 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.

Industry payments in 2024: $74.38

4 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Donner$74.38
  2. Specialty average$5,742.15

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

Charles Christopher Donner among 1,131 endocrinology, diabetes & metabolism physician records in California

Charles Christopher Donner, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2019 · 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.

All 1,131 in California → Every provider in Santa Barbara → Endocrinology, Diabetes & Metabolism Physician nationwide →

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

  1. Daniel Berger, MDSanta Barbara, CA 931101669407680
  2. Muhammad Haq, M.D.Santa Barbara, CA 931101710126388
  3. Jennifer Hone, MDSanta Barbara, CA 931101104823954
  4. Kateryna Markova, M.D.Santa Barbara, CA 931101255688560
  5. Ashley Thorsell, M.D.Santa Barbara, CA 931101013146364
  6. Tricia Westhoff-Pankratz, M.D.Santa Barbara, CA 931101902834393
  7. Mark Wilson, M.D.Santa Barbara, CA 931101902819782
  8. Karen Hougo, M.D.Santa Barbara, CA 931111790910677

Common questions

What is Charles Christopher Donner, M.D.'s NPI number?

Charles Christopher Donner, M.D.'s National Provider Identifier (NPI) is 1245242197, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Christopher Donner, M.D. located?

The NPPES record lists a practice address at 215 Pesetas LN, Santa Barbara, CA, 93110. Phone: (805) 681-1761. Providers update this record themselves, so call before visiting.

How can I verify Charles Christopher Donner, M.D.'s license?

NPPES lists California license number G49701, 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 Charles Christopher Donner, M.D. prescribe under Medicare Part D?

In 2024, Charles Christopher Donner, M.D. had 1,953 Medicare Part D claims for 490 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.