Michael Keller, MD
NPI 1821062183 · Family Medicine Physician · Glendale, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Keller, MD is a Family Medicine Physician provider in Glendale, AZ (NPI 1821062183).
Provider details
- NPI number
- 1821062183
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25190 (AZ)
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
20 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
1,696 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 | 725 | $123 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 178 | $18 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 164 | $60 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 160 | $125 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 134 | $18 |
| Hemoglobin A1c Level83036 | 118 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 520 | 156 |
| Rosuvastatin Calcium | 415 | 140 |
| Lisinopril | 403 | 125 |
| Levothyroxine Sodium | 337 | 98 |
| Metformin Hcl | 313 | 93 |
| Amlodipine Besylate | 259 | 82 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$333 across 16 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
- 2006-02-14
- Last updated
- 2024-08-02
- Certified
- 2024-08-02
Frequently asked questions
- What is Michael Keller's NPI number?
- Michael Keller's National Provider Identifier (NPI) is 1821062183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Keller's specialty?
- Michael Keller is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Keller located?
- Michael Keller's practice location on file with NPPES is 7330 N 99th Ave Ste 325, Glendale, AZ 85307-3022.
- What is Michael Keller's phone number?
- The practice phone number listed in the NPPES registry for Michael Keller is (480) 398-7620.
- Does Michael Keller accept Medicare?
- Michael Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Keller's NPI active?
- Yes — Michael Keller's NPI (1821062183) is active in the NPPES registry as of the last update on 2024-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.