Diana Rozenberg, M.D.
NPI 1871889774 · Family Medicine Physician · Allentown, PA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Rozenberg, M.D. is a Family Medicine Physician provider in Allentown, PA (NPI 1871889774).
Provider details
- NPI number
- 1871889774
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD452650 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,003 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 586 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 190 | $162 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 187 | $108 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 23 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 17 | $113 |
Typical Medicare-allowed amounts for these services range $75–$162 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 24 | 23 |
| Prednisone | 22 | 21 |
| Cefdinir | 19 | 18 |
| Pantoprazole Sodium | 17 | 16 |
| Amlodipine Besylate | 16 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 13 |
| Furosemide | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-20
- Last updated
- 2014-07-29
Frequently asked questions
- What is Diana Rozenberg's NPI number?
- Diana Rozenberg's National Provider Identifier (NPI) is 1871889774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Rozenberg's specialty?
- Diana Rozenberg is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Rozenberg located?
- Diana Rozenberg's practice location on file with NPPES is 421 Chew St, Allentown, PA 18102-3434.
- What is Diana Rozenberg's phone number?
- The practice phone number listed in the NPPES registry for Diana Rozenberg is (610) 776-4500.
- Does Diana Rozenberg accept Medicare?
- Diana Rozenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Rozenberg's NPI active?
- Yes — Diana Rozenberg's NPI (1871889774) is active in the NPPES registry as of the last update on 2014-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.