Martin Feldman, D.O.
NPI 1740272921 · Family Medicine Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Feldman, D.O. is a Family Medicine Physician provider in Phoenix, AZ (NPI 1740272921).
Provider details
- NPI number
- 1740272921
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2104 (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
2 documented practice locations
- 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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 32 |
| Losartan Potassium | 48 | 22 |
| Amlodipine Besylate | 48 | 20 |
| Lisinopril | 45 | 18 |
| Metformin Hcl | 33 | 17 |
| Levothyroxine Sodium | 30 | 15 |
| Simvastatin | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
Additional practice locations (1)
- 3815 E Bell Rd Ste 2300Phoenix, AZ 85032-2142Phone: (602) 942-3750Fax: (602) 942-4245
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2021-11-18
- Certified
- 2021-11-18
Frequently asked questions
- What is Martin Feldman's NPI number?
- Martin Feldman's National Provider Identifier (NPI) is 1740272921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Feldman's specialty?
- Martin Feldman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Feldman located?
- Martin Feldman's practice location on file with NPPES is 750 E Thunderbird Rd Ste 1-3, Phoenix, AZ 85022-5306.
- What is Martin Feldman's phone number?
- The practice phone number listed in the NPPES registry for Martin Feldman is (602) 230-7373.
- Does Martin Feldman accept Medicare?
- Martin Feldman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Feldman's NPI active?
- Yes — Martin Feldman's NPI (1740272921) is active in the NPPES registry as of the last update on 2021-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.