David Greenstein, MD
NPI 1235246281 · Gastroenterology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Greenstein, MD is a Gastroenterology Physician provider in Atlanta, GA (NPI 1235246281).
Provider details
- NPI number
- 1235246281
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 032574 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 118 | 46 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 117 | 111 |
| Mesalamine | 40 | 13 |
| Entecavir | 33 | — |
| Lubiprostone | 30 | — |
| Omeprazole | 21 | — |
| Colestipol Hcl | 20 | — |
| Prednisone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2025-03-27
- Certified
- 2025-03-27
Frequently asked questions
- What is David Greenstein's NPI number?
- David Greenstein's National Provider Identifier (NPI) is 1235246281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Greenstein's specialty?
- David Greenstein is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is David Greenstein located?
- David Greenstein's practice location on file with NPPES is 20 Glenlake Pkwy, Atlanta, GA 30328-3473.
- What is David Greenstein's phone number?
- The practice phone number listed in the NPPES registry for David Greenstein is (770) 677-6247.
- Does David Greenstein accept Medicare?
- David Greenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Greenstein's NPI active?
- Yes — David Greenstein's NPI (1235246281) is active in the NPPES registry as of the last update on 2025-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.