Rebecca Greenstein, MD
NPI 1528529351 · Emergency Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Greenstein, MD is a Emergency Medicine Physician provider in Pittsburgh, PA (NPI 1528529351).
Provider details
- NPI number
- 1528529351
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD476432 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
351 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 162 | $167 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 123 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 36 | $117 |
| Critical Care, First 30-74 Minutes99291 | 30 | $198 |
Typical Medicare-allowed amounts for these services range $8–$198 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 33 | 33 |
| Prednisone | 29 | 28 |
| Cephalexin | 27 | 27 |
| Cyclobenzaprine Hcl | 27 | 27 |
| Oxycodone Hcl | 14 | 14 |
| Cefdinir | 13 | 13 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 12 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 500 University DrHershey, PA 17033-2360Phone: (800) 243-1455
Registry dates
- Enumerated
- 2019-03-26
- Last updated
- 2022-09-19
- Certified
- 2022-09-19
Frequently asked questions
- What is Rebecca Greenstein's NPI number?
- Rebecca Greenstein's National Provider Identifier (NPI) is 1528529351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Greenstein's specialty?
- Rebecca Greenstein is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Greenstein located?
- Rebecca Greenstein's practice location on file with NPPES is 320 E North Ave, Pittsburgh, PA 15212-4756.
- What is Rebecca Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Greenstein is (412) 359-3131.
- Does Rebecca Greenstein accept Medicare?
- Rebecca Greenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Greenstein's NPI active?
- Yes — Rebecca Greenstein's NPI (1528529351) is active in the NPPES registry as of the last update on 2022-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.