DR. DAVID B GREENSTEIN MD
NPI 1235246281
Internal Medicine - Gastroenterology in Atlanta, GA

Q: What is David Greenstein's NPI number?

The NPI number for David Greenstein is 1235246281. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Q: What is David Greenstein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for David Greenstein was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 24, 2006PECOS EnrolledAccepts Medicare Assignment

20 GLENLAKE PKWY, DEPARTMENT OF GASTROENTEROLOGY, ATLANTA, GA 30328(770) 677-6247(770) 677-7343 Get Directions Write a Review

NPPES record last updated: March 27, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 27, 2025, Jan 6, 2022 (2 updates tracked since 2022).

On this page

About Dr. David B Greenstein Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID B GREENSTEIN MD (NPI 1235246281) is an individual gastroenterology provider in Atlanta, Georgia, licensed in Georgia (032574) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (1988).

NPPES Registry Identity

NPI1235246281

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. DAVID B GREENSTEINCredential: MD

Location Address20 GLENLAKE PKWY, DEPARTMENT OF GASTROENTEROLOGYAtlanta, GA 30328-3473

Mailing Address4975 Riverlake DrPeachtree Corners, GA 30097-2326 · (404) 314-1213

Phone(770) 677-6247

Fax(770) 677-7343

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 1988

Enumeration DateAugust 24, 2006

Last NPPES UpdateMarch 27, 20252 updates tracked since enumeration

NPPES CertifiedMarch 27, 2025

✔ NPI 1235246281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in GA · 032574

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

20 GLENLAKE PKWY, Atlanta, GA 30328

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. David B Greenstein Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941345854

PECOS Enrollment IDI20100303000617

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30328 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.64 typical visit price

range $56.84 – $172.43

Typical copayment $32.66 (range $14.21 – $43.10)

Most-billed visit code 99204

Established Patient

$100.20 typical visit price

range $18.22 – $140.40

Typical copayment $25.05 (range $4.55 – $35.10)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MICHAEL DOUGLAS HELLSTROM MD

Otolaryngology

20 GLENLAKE PKWY, KAISER PERMANENTE MEDICAL GROUP GLENLAKE
ATLANTA, GA 30328

Fulton County (404) 365-0966

DR. ALAN MARC WEINBERG M.D.

Psychiatry & Neurology (Psychiatry)

20 GLENLAKE PKWY, DEPT OF BEHAVIORAL HEALTH
ATLANTA, GA 30328

Fulton County (404) 365-0966

MRS. EVA RIKER M.D.

Radiology (Diagnostic Radiology)

20 GLENLAKE PKWY
ATLANTA, GA 30328

Fulton County (404) 364-7243

DR. VARUN GUPTA MD

Plastic Surgery

20 GLENLAKE PKWY
ATLANTA, GA 30328

Fulton County (404) 365-0966

DR. KHALID A SHASH MD

Internal Medicine (Cardiovascular Disease)

20 GLENLAKE PKWY, KAISER PERMANETE GLENLAKE MEDICAL CENTER
ATLANTA, GA 30328

Fulton County (617) 629-6000

DR. LILLIAN KIM IVANSCO M.D., M.P.H.

Radiology (Diagnostic Radiology)

20 GLENLAKE PKWY
ATLANTA, GA 30328

Fulton County (404) 364-7285

SHAWNA LEE WATSON M.D.

Orthopaedic Surgery

20 GLENLAKE PKWY
SANDY SPRINGS, GA 30328

Fulton County (470) 698-6488

MRS. CHERYL SUE ARNSON MA

Audiologist

20 GLENLAKE PKWY, KAISER PERMANENTE GLENLAKE MEDICAL CENTER
ATLANTA, GA 30328

Fulton County (770) 667-6154

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Greenstein's NPI number?

The NPI number for David Greenstein is 1235246281. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is David Greenstein located?

David Greenstein practices at 20 Glenlake Pkwy Department Of Gastroenterology, Atlanta, GA 30328. The listed phone number is (770) 677-6247.

What is David Greenstein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is David Greenstein enrolled in Medicare?

Yes. David Greenstein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for David Greenstein was last updated on March 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.