Warren Backman, MBBS
NPI 1174910574 · Geriatric Medicine (Internal Medicine) Physician · Boston, MA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Backman, MBBS is a Geriatric Medicine (Internal Medicine) Physician provider in Boston, MA (NPI 1174910574).
Provider details
- NPI number
- 1174910574
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MBBS
- Sex
- Male
- Sole proprietor
- No
- License
- 282027 (MA)
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
11 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
893 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 298 | $140 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 134 | $9 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 113 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $196 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 330 | 91 |
| Lisinopril | 151 | 35 |
| Amlodipine Besylate | 124 | 36 |
| Levothyroxine Sodium | 86 | 22 |
| Metoprolol Succinate | 82 | 24 |
| Apixabanbrand: Eliquis | 77 | 21 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-23
- Last updated
- 2020-07-17
- Certified
- 2020-07-17
Frequently asked questions
- What is Warren Backman's NPI number?
- Warren Backman's National Provider Identifier (NPI) is 1174910574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Backman's specialty?
- Warren Backman is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Backman located?
- Warren Backman's practice location on file with NPPES is 165 Cambridge St, Boston, MA 02114-2783.
- What is Warren Backman's phone number?
- The practice phone number listed in the NPPES registry for Warren Backman is (617) 726-4600.
- Does Warren Backman accept Medicare?
- Warren Backman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Backman's NPI active?
- Yes — Warren Backman's NPI (1174910574) is active in the NPPES registry as of the last update on 2020-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.