David Feinstein, MD
NPI 1609888965 · Specialist · Dallas, TX
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Feinstein, MD is a Specialist provider in Dallas, TX (NPI 1609888965).
Provider details
- NPI number
- 1609888965
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- F0999 (TX)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
598 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 | 463 | $95 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 135 | $165 |
Typical Medicare-allowed amounts for these services range $95–$165 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 215 | 70 |
| Metformin Hcl | 165 | 50 |
| Semaglutidebrand: Ozempic | 155 | 36 |
| Tirzepatidebrand: Mounjaro | 126 | 24 |
| Levothyroxine Sodiumbrand: Synthroid | 107 | 32 |
| Lisinopril | 95 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$416 across 20 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
- 2006-08-13
- Last updated
- 2025-07-29
- Certified
- 2025-07-29
Frequently asked questions
- What is David Feinstein's NPI number?
- David Feinstein's National Provider Identifier (NPI) is 1609888965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Feinstein's specialty?
- David Feinstein is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is David Feinstein located?
- David Feinstein's practice location on file with NPPES is 5232 Forest Ln Ste 170, Dallas, TX 75244-8053.
- What is David Feinstein's phone number?
- The practice phone number listed in the NPPES registry for David Feinstein is (214) 964-0888.
- Does David Feinstein accept Medicare?
- David Feinstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Feinstein's NPI active?
- Yes — David Feinstein's NPI (1609888965) is active in the NPPES registry as of the last update on 2025-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.