Ronald Gruzin, D.O.
NPI 1235180472 · General Practice Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Gruzin, D.O. is a General Practice Physician provider in Philadelphia, PA (NPI 1235180472).
Provider details
- NPI number
- 1235180472
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- License
- OS007889L (PA)
Specialties & taxonomies
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
781 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 | 305 | $131 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 98 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 77 | $16 |
| Assessment of Emotional Or Behavioral Problems96127 | 59 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 55 | $90 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 266 | 84 |
| Atorvastatin Calcium | 265 | 94 |
| Levothyroxine Sodium | 232 | 63 |
| Rosuvastatin Calcium | 222 | 73 |
| Metformin Hcl | 208 | 59 |
| Pravastatin Sodium | 199 | 54 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$157 across 8 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
- 2006-05-12
- Last updated
- 2025-10-03
- Certified
- 2025-10-03
Frequently asked questions
- What is Ronald Gruzin's NPI number?
- Ronald Gruzin's National Provider Identifier (NPI) is 1235180472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Gruzin's specialty?
- Ronald Gruzin is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Gruzin located?
- Ronald Gruzin's practice location on file with NPPES is 9821 Academy Rd, Philadelphia, PA 19114-1545.
- What is Ronald Gruzin's phone number?
- The practice phone number listed in the NPPES registry for Ronald Gruzin is (215) 632-8700.
- Does Ronald Gruzin accept Medicare?
- Ronald Gruzin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Gruzin's NPI active?
- Yes — Ronald Gruzin's NPI (1235180472) is active in the NPPES registry as of the last update on 2025-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.