Robert Allen, M.D.
NPI 1821049800 · Family Medicine Physician · Glendale, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Allen, M.D. is a Family Medicine Physician provider in Glendale, AZ (NPI 1821049800).
Provider details
- NPI number
- 1821049800
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 13801 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 362 | 132 |
| Amlodipine Besylate | 229 | 84 |
| Levothyroxine Sodium | 218 | 76 |
| Lisinopril | 185 | 65 |
| Metformin Hcl | 176 | 59 |
| Gabapentin | 175 | 53 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 3 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
- 2006-05-13
- Last updated
- 2016-12-02
Frequently asked questions
- What is Robert Allen's NPI number?
- Robert Allen's National Provider Identifier (NPI) is 1821049800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Allen's specialty?
- Robert Allen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Allen located?
- Robert Allen's practice location on file with NPPES is 6153 W Olive Ave, Glendale, AZ 85302-4564.
- What is Robert Allen's phone number?
- The practice phone number listed in the NPPES registry for Robert Allen is (602) 685-6000.
- Does Robert Allen accept Medicare?
- Robert Allen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Allen's NPI active?
- Yes — Robert Allen's NPI (1821049800) is active in the NPPES registry as of the last update on 2016-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.