Barbara Backer, M.D.
NPI 1134171374 · Internal Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Backer, M.D. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1134171374).
Provider details
- NPI number
- 1134171374
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 37318 (AZ)
Specialties & taxonomies
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
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
1,285 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 | 372 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 357 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 275 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $88 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 61 | $61 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 245 | 70 |
| Atorvastatin Calcium | 191 | 59 |
| Amlodipine Besylate | 121 | 35 |
| Semaglutidebrand: Ozempic | 119 | 18 |
| Rosuvastatin Calcium | 107 | 35 |
| Lisinopril | 98 | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2008-02-01
Frequently asked questions
- What is Barbara Backer's NPI number?
- Barbara Backer's National Provider Identifier (NPI) is 1134171374, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Backer's specialty?
- Barbara Backer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Backer located?
- Barbara Backer's practice location on file with NPPES is 4400 N 32nd St, Phoenix, AZ 85018-3953.
- What is Barbara Backer's phone number?
- The practice phone number listed in the NPPES registry for Barbara Backer is (602) 254-4424.
- Does Barbara Backer accept Medicare?
- Barbara Backer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Backer's NPI active?
- Yes — Barbara Backer's NPI (1134171374) is active in the NPPES registry as of the last update on 2008-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.