Donald Barber, MD
NPI 1295797439 · Internal Medicine Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Barber, MD is a Internal Medicine Physician provider in Glendale, CA (NPI 1295797439).
Provider details
- NPI number
- 1295797439
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G39563 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
454 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 138 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 97 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 97 | $21 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 72 | $138 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 25 | $62 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 191 | 57 |
| Rosuvastatin Calcium | 161 | 49 |
| Levothyroxine Sodium | 131 | 36 |
| Amlodipine Besylate | 109 | 36 |
| Metformin Hcl | 105 | 28 |
| Trazodone Hcl | 85 | 20 |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-04
- Last updated
- 2007-09-24
Frequently asked questions
- What is Donald Barber's NPI number?
- Donald Barber's National Provider Identifier (NPI) is 1295797439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Barber's specialty?
- Donald Barber is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Barber located?
- Donald Barber's practice location on file with NPPES is 1809 Verdugo Blvd, Glendale, CA 91208.
- What is Donald Barber's phone number?
- The practice phone number listed in the NPPES registry for Donald Barber is (818) 790-4730.
- Does Donald Barber accept Medicare?
- Donald Barber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Barber's NPI active?
- Yes — Donald Barber's NPI (1295797439) is active in the NPPES registry as of the last update on 2007-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.