David Warren, M.D.
NPI 1487947180 · Hospitalist Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Warren, M.D. is a Hospitalist Physician provider in Mesa, AZ (NPI 1487947180).
Provider details
- NPI number
- 1487947180
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- R0341 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,375 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) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 1,669 | $72 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,263 | $103 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 414 | $148 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 371 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 236 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 206 | 50 |
| Atorvastatin Calcium | 193 | 54 |
| Gabapentin | 155 | 42 |
| Levothyroxine Sodium | 135 | 41 |
| Amlodipine Besylate | 132 | 43 |
| Pantoprazole Sodium | 120 | 41 |
Practice location
Mailing address
Additional practice locations (1)
- Banner Ironwood Medical Center37000 N. Gantzel RoadSan Tan Valley, AZ 85140Phone: (480) 543-2034Fax: (480) 543-2647
Registry dates
- Enumerated
- 2011-05-27
- Last updated
- 2023-06-14
- Certified
- 2023-06-14
Frequently asked questions
- What is David Warren's NPI number?
- David Warren's National Provider Identifier (NPI) is 1487947180, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Warren's specialty?
- David Warren is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is David Warren located?
- David Warren's practice location on file with NPPES is 255 W Brown Rd, Mesa, AZ 85201-3404.
- What is David Warren's phone number?
- The practice phone number listed in the NPPES registry for David Warren is (480) 985-1093.
- Does David Warren accept Medicare?
- David Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Warren's NPI active?
- Yes — David Warren's NPI (1487947180) is active in the NPPES registry as of the last update on 2023-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.