Mariana Sylvia Joanne Middelhof, M.D

Primary specialty

Pediatric Gastroenterology PhysicianTaxonomy code 2080P0206X

License

0101283490 Issued in VA

Practice address

3023 Hamaker CT Ste 600
Fairfax, VA 22031-2241

Phone

(703) 839-8733

Fax

(703) 839-8779

NPI assigned

Aug 19, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in DC

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

Merit-based Incentive Payment System (MIPS)

Final score

82.04 of 100Reported as group

Quality

65.4

Promoting interoperability

98

Improvement activities

40

Cost

76.41

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mmiddelhof131903@direct.nemours.org
• Direct secure messaging: mmiddelhof1445888@soc.inova.org

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

• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061

  DC, Pediatrics

  Medicare reassignment NPD
• Pediatric Specialists of Virginia, LLC

  • Pediatrics Physician
  • Fairfax, VA
  • NPI 1699119818

  DC

  Medicare reassignment NPD
• Inova Health Care Services

  • Medical Technologist
  • Sterling, VA
  • NPI 1699655589
  NPD
• Children'S Hospital

  • Children's Hospital
  • Washington, DC
  • NPI 1912939703
  NPD (past)

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

{
    "created_epoch": "1282176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776297600000",
    "number": "1710293337",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3023 HAMAKER CT STE 600",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220312241",
            "telephone_number": "703-876-2788",
            "fax_number": "703-839-8764"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3023 HAMAKER CT STE 600",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220312241",
            "telephone_number": "703-839-8733",
            "fax_number": "703-839-8779"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MIDDELHOF",
        "first_name": "MARIANA",
        "middle_name": "SYLVIA JOANNE",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-08-19",
        "last_updated": "2026-04-16",
        "certification_date": "2026-04-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "VA",
            "license": "0101283490",
            "primary": false
        },
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "VA",
            "license": "0101283490",
            "primary": true
        },
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "FL",
            "license": "ME129529",
            "primary": false
        },
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "NY",
            "license": "282433",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FL MEDICAL LICENSE",
            "identifier": "ME129529",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Michelle Booth, LCSW
• Nicole Michonski
• Mid Atlantic Medical Associates, LLC
• Mid Atlantic Pain Management, LLC
• Mid-South Home Care Services, LLC
• Laura Ann Middleton, CRNP
• Jessica Migler, LCSW
• Madeleine Mihalich, LCSW
• Kavian S. Milani, M.D.
• Matthew Milano, PH.D.

• Pediatric Gastroenterology Physician in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Pediatric Gastroenterology Physician in Virginia

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