Barry Blum, MD
NPI 1639141716 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barry Blum, MD is a Internal Medicine Physician provider in Pasadena, CA (NPI 1639141716).
Provider details
- NPI number
- 1639141716
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G34386 (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
113 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 | 53 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $135 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 17 | $139 |
Typical Medicare-allowed amounts for these services range $98–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 196 | 94 |
| Amlodipine Besylate | 126 | 69 |
| Rosuvastatin Calcium | 106 | 44 |
| Valsartan | 83 | 39 |
| Omeprazole | 70 | 32 |
| Carvedilol | 66 | 30 |
| Levothyroxine Sodium | 57 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-03
- Last updated
- 2012-01-26
Frequently asked questions
- What is Barry Blum's NPI number?
- Barry Blum's National Provider Identifier (NPI) is 1639141716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barry Blum's specialty?
- Barry Blum is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barry Blum located?
- Barry Blum's practice location on file with NPPES is 10 Congress St, Pasadena, CA 91105-3023.
- What is Barry Blum's phone number?
- The practice phone number listed in the NPPES registry for Barry Blum is (626) 792-2166.
- Does Barry Blum accept Medicare?
- Barry Blum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barry Blum's NPI active?
- Yes — Barry Blum's NPI (1639141716) is active in the NPPES registry as of the last update on 2012-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.