Charles Donner, M.D.
NPI 1245242197 · Endocrinology, Diabetes & Metabolism Physician · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Donner, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Santa Barbara, CA (NPI 1245242197).
Provider details
- NPI number
- 1245242197
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G49701 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,020 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 369 | $135 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 267 | $24 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 130 | $189 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 76 | $15 |
| Dxa Bone Density Measurement of Forearm, Finger, Hand, Or Foot77081 | 40 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 648 | 183 |
| Levothyroxine Sodium | 586 | 177 |
| Liothyronine Sodium | 91 | 30 |
| Levothyroxine Sodiumbrand: Levoxyl | 60 | 17 |
| Calcitriol | 33 | — |
| Thyroid,porkbrand: Armour Thyroid | 32 | — |
| Hydrocortisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$74 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-12
- Last updated
- 2019-02-04
Frequently asked questions
- What is Charles Donner's NPI number?
- Charles Donner's National Provider Identifier (NPI) is 1245242197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Donner's specialty?
- Charles Donner is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Donner located?
- Charles Donner's practice location on file with NPPES is 215 Pesetas Ln, Santa Barbara, CA 93110-1416.
- What is Charles Donner's phone number?
- The practice phone number listed in the NPPES registry for Charles Donner is (805) 681-1761.
- Does Charles Donner accept Medicare?
- Charles Donner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Donner's NPI active?
- Yes — Charles Donner's NPI (1245242197) is active in the NPPES registry as of the last update on 2019-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.