Aashish Dewan, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

D98444 Issued in MD

Practice address

18109 Prince Philip Dr Ste B200
Olney, MD 20832-1591

Phone

(240) 883-9791

NPI assigned

Apr 7, 2020

Last updated

Apr 11, 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 5

Addresses

Medicare fee-for-service enrollment

Enrolled in MD, DC2 enrollments

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 2

Specialty

Family Practice

Education

University of Toledo College of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Medstar Urgent Care LLCGroup PAC ID 9335303155, 300 clinicians

Hospitalist Medicine Physicians of Maryland PCGroup PAC ID 8729138003, 71 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Medstar Health Home Care Home health agency, Hyattsville, MD, CCN 217150
• Frederick Health Hospital Hospital, Frederick, MD, CCN 210005
• Medstar Montgomery Medical Center Hospital, Olney, MD, CCN 210018

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Hospitalist Medicine Physicians of Maryland PC

  • Hospitalist Physician
  • Frederick, MD
  • NPI 1992945471

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment Care Compare group NPD
• Medstar Urgent Care LLC

  dba MedStar PromptCare

  • Urgent Care Clinic/Center
  • Baltimore, MD
  • NPI 1902175870
  Medicare reassignment Care Compare group NPD
• Medstar Urgent Care, LLC

  dba MedStar PromptCare-Wheaton

  • Urgent Care Clinic/Center
  • Wheaton, MD
  • NPI 1871843409

  DC

  Medicare reassignment NPD
• Hospitalist Medicine Physicians of Maryland PC

  • Internal Medicine Physician
  • Frederick, MD
  • NPI 1366240111

  Family Medicine

  NPD
• Medstar Urgent Care LLC

  • General Practice Physician
  • Lexington Park, MD
  • NPI 1275410474
  NPD
• Medstar Urgent Care LLC

  dba MMG Urgent Care

  • Urgent Care Clinic/Center
  • Baltimore, MD
  • NPI 1942623319
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  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
• Medstar Health Visiting Nurse Association, Inc.

  dba MedStar Health Home Care

  • Home Health Agency
  • Greenbelt, MD
  • NPI 1154437879
  Care Compare affiliation
• Montgomery General Hospital, Inc.

  • General Acute Care Hospital
  • Olney, MD
  • NPI 1114922341
  Care Compare affiliation

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

{
    "created_epoch": "1586217600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744329600000",
    "number": "1619506979",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11403 BROOK RUN DR",
            "city": "GERMANTOWN",
            "state": "MD",
            "postal_code": "208766021",
            "telephone_number": "301-832-7858"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18109 PRINCE PHILIP DR STE B200",
            "city": "OLNEY",
            "state": "MD",
            "postal_code": "208321591",
            "telephone_number": "240-883-9791"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1600 S Andrews Ave",
            "address_purpose": "LOCATION",
            "city": "Fort Lauderdale",
            "state": "FL",
            "postal_code": "333162510",
            "country_code": "US",
            "telephone_number": "301-832-7858",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "400 W 7th St",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217014506",
            "country_code": "US",
            "telephone_number": "240-566-3300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12220 Rockville Pike",
            "address_purpose": "LOCATION",
            "city": "Rockville",
            "state": "MD",
            "postal_code": "208521608",
            "country_code": "US",
            "telephone_number": "855-910-3278",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEWAN",
        "first_name": "AASHISH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-07",
        "last_updated": "2025-04-11",
        "certification_date": "2025-04-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "DC",
            "license": "MD600001864",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "FL",
            "license": "156122",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MD",
            "license": "D98444",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0101279871",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Danielle Day, LMSW
• Maria T Defendini, MD
• Keith Della Grotta, MD
• Delphi OB-GYN Group of Montgomery County LLC
• Joyce Fivehouse Derby, PH.D.
• DHP of Montgomery PC
• Cheryl Pradeepika Dias, M.D.
• Bryan Isai Diaz
• Denise Ann Dickenson, MPT, PT#19576
• Samuel Isaac Dickstein, MS, ATC

• Family Medicine Physician in Olney, MD
• Providers in Olney, MD by specialty
• Family Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 11, 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.