Ronald Gruzin, D.O.

Primary specialty

General Practice PhysicianTaxonomy code 208D00000X

License

OS007889L Issued in PA

Practice address

9821 Academy Rd
Philadelphia, PA 19114-1545

Phone

(215) 632-8700

Fax

(215) 632-7865

NPI assigned

May 12, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in PA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Philadelphia College of Osteopathic Medicine, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Aria Health Physician ServicesGroup PAC ID 3577467018, 456 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Holy Redeemer Home Care-PA Home health agency, Philadelphia, PA, CCN 397104
• Mercy Home Health Home health agency, Newtown, PA, CCN 397015
• Jefferson Health- Northeast Hospital, Philadelphia, PA, CCN 390115
• Thomas Jefferson University Hospital Hospital, Philadelphia, PA, CCN 390174
• Nazareth Hospital Hospital, Philadelphia, PA, CCN 390204

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Aria Health Physician Services

  dba Richboro Medical

  • Family Medicine Physician
  • Richboro, PA
  • NPI 1750949806
  Medicare reassignment Care Compare group NPD
• Aria Health Physician Services

  dba Geoffrey W. Temple Family Medical Associates

  • Family Medicine Physician
  • Philadelphia, PA
  • NPI 1053181297
  NPD
• Aria Health Physician Services

  dba Aria - Maya Tsysina, M.D.

  • Internal Medicine Physician
  • Philadelphia, PA
  • NPI 1134436231
  NPD
• Aria Health Physician Services

  dba Aria Health Physician Services - Bucks Surgery

  • Surgery Physician
  • Langhorne, PA
  • NPI 1114981123
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Holy Redeemer Health System

  dba Holy Redeemer Home Care - PA

  • Home Health Agency
  • Philadelphia, PA
  • NPI 1972577617
  Care Compare affiliation Name & address match
• Jefferson Health - Northeast

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1801963343
  Care Compare affiliation Name & address match
• Mercy Home Health

  • Home Health Agency
  • Newtown, PA
  • NPI 1467412296
  Care Compare affiliation
• Thomas Jefferson University Hospitals Inc

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1215916002
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1147392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1235180472",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2835 TYSON AVE",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191491415",
            "telephone_number": "215-624-6162",
            "fax_number": "215-624-2732"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9821 ACADEMY RD",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191141545",
            "telephone_number": "215-632-8700",
            "fax_number": "215-632-7865"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRUZIN",
        "first_name": "RONALD",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-12",
        "last_updated": "2026-07-13",
        "certification_date": "2025-10-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "PA",
            "license": "OS007889L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Juan E Grunwald, MD
• Zachary Daniel Grunwald, MD
• Zvi Grunwald, M.D.
• Stephan A Grupp, M.D.
• Marla Grutkowski, CRNA
• Iryna Grytsulyak, CRNA
• Joan M. Grzybowski, DO
• Kinga Grzybowski, MD
• GS Endoscopy Center LLC
• GS Operator LP (Glendale Uptown Home)

• General Practice Physician in Philadelphia, PA
• Providers in Philadelphia, PA by specialty
• General Practice Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.