Marc Greenstein, DO
NPI 1154383743 · Urology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Greenstein, DO is a Urology Physician provider in Atlanta, GA (NPI 1154383743).
Provider details
- NPI number
- 1154383743
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB07559100 (NJ)
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 tenure25% of score
20 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
3,009 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 | 725 | $125 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 492 | $11 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 254 | $106 |
| Automated Urinalysis Test81003 | 227 | $2 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 165 | $164 |
| Urinalysis for Bacteria81007 | 163 | $29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finasteride | 384 | 144 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 306 | 109 |
| Methenamine Hippurate | 186 | 58 |
| Tamsulosin Hcl | 185 | 90 |
| Mirabegronbrand: Myrbetriq | 122 | 41 |
| Vibegronbrand: Gemtesa | 88 | 25 |
| Cefuroxime Axetilbrand: Cefuroxime | 85 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,605 across 40 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
- 2006-04-06
- Last updated
- 2023-09-20
- Certified
- 2023-09-20
Frequently asked questions
- What is Marc Greenstein's NPI number?
- Marc Greenstein's National Provider Identifier (NPI) is 1154383743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Greenstein's specialty?
- Marc Greenstein is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Greenstein located?
- Marc Greenstein's practice location on file with NPPES is 1450 S Johnson Ferry Rd, Atlanta, GA 30319-4324.
- What is Marc Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Marc Greenstein is (678) 344-8900.
- Does Marc Greenstein accept Medicare?
- Marc Greenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Greenstein's NPI active?
- Yes — Marc Greenstein's NPI (1154383743) is active in the NPPES registry as of the last update on 2023-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.