Arash Zarrin, DO

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

H0096679 Issued in MD

Practice address

110 Thomas Johnson Dr Ste 335
Frederick, MD 21702-4949

Phone

(301) 624-5566

Fax

(301) 624-5542

NPI assigned

Mar 28, 2018

Last updated

Sep 16, 2025By 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

Other identifiers 1

Other names 1

• Aurash Zarrinbakhsh Former name

Medicare fee-for-service enrollment

Enrolled in MD

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

GastroenterologyAlso: Internal Medicine

Education

Nova Southeastern College of Osteo Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

David W. Kossoff, M.D., PAGroup PAC ID 1850348632, 5 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Frederick Health Hospital Hospital, Frederick, MD, CCN 210005

Merit-based Incentive Payment System (MIPS)

Final score

79.3 of 100Reported as group

Quality

77.4

Promoting interoperability

97

Improvement activities

40

Cost

56.09

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: arash.zarrin@gastrohealth.eclinicaldirectplus.com

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.

• David W. Kossoff, M.D., LLC

  dba Optimal Digestive Care

  • Specialist
  • Frederick, MD
  • NPI 1437206984
  Medicare reassignment Care Compare group NPD
• Cultivate Integrative Gastroenterology and Nutrition

  • Gastroenterology Physician
  • Potomac, MD
  • NPI 1225982580
  NPD Authorized official
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  Care Compare affiliation

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

{
    "created_epoch": "1522195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757980800000",
    "number": "1407351729",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 THOMAS JOHNSON DR STE 335",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024949",
            "telephone_number": "301-624-5566"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 THOMAS JOHNSON DR STE 335",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024949",
            "telephone_number": "301-624-5566",
            "fax_number": "301-624-5542"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZARRIN",
        "first_name": "ARASH",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-28",
        "last_updated": "2025-09-16",
        "certification_date": "2025-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MD",
            "license": "H0096679",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "215777200",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "AURASH",
            "last_name": "ZARRINBAKHSH",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

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• Lauren Nicole Zaryk, DPT
• Melissa Zatz, LCSW-C
• Deborah P. Zayas, APRN, FNP
• James Patrick Michael Zazanis, LCSW-C
• Monica Ivone Zeballos, PHARM.D.

• Gastroenterology Physician in Frederick, MD
• Providers in Frederick, MD by specialty
• Gastroenterology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 2025; 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.