Individual provider Active NPI

Anna Paul Thottan, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Waldorf, MD
National Provider Identifier
1033498456
Registry record updated Aug 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
D0080596 Issued in MD
Practice address
10 St. Patrick'S Drive
Waldorf, MD 20603-4527
Phone
(301) 705-7870
Fax
(301) 705-7628
NPI assigned
Aug 16, 2011
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X D0080596 MD Primary

Addresses

Primary practice location

10 St. Patrick'S Drive
Waldorf, MD 20603-4527

Mailing address

24035 Three Notch Rd
Hollywood, MD 20636-4871
Phone (301) 373-7900

Other practice location 1

4240 Altamont Place
White Plains, MD 20695-3052
Phone (240) 518-6020

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20160901001986 MD Practitioner - EndocrinologyPractitioner - Internal Medicine 6709188659 Reassigns benefits to 1 organization
I20180111002927 DC Practitioner - Endocrinology 6709188659 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
EndocrinologyAlso: Internal Medicine
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Medstar Medical Group - Southern Maryland LLCGroup PAC ID 1355667056, 241 clinicians

Practice addresses (Care Compare)

10 Saint Patricks Dr
Waldorf, MD 20603-4527
Phone (301) 373-7900

24035 Three Notch Rd
Hollywood, MD 20636-4871

6710 Oxon Hill Rd
Suite 200
Oxon Hill, MD 20745-1124
Phone (301) 373-7900

900 E Swan Creek Rd
Medstar Shah Medical Group
Ft Washington, MD 20744-5250
Phone (301) 877-4564

950 E Swann Creek Rd
Fort Washington, MD 20744
Phone (301) 292-7270

Hospital & facility affiliations

  • University of MD Charles Regional Medical Center Hospital, La Plata, MD, CCN 210035

Merit-based Incentive Payment System (MIPS)

Final score
81.41 of 100Reported as group
Quality
61.45
Promoting interoperability
96
Improvement activities
40
Cost
79.91

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0080596MDMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group - Southern Maryland LLC Endocrinology, Diabetes & Metabolism CurrentSince Nov 8, 2017 Accepting new patients
Medstar Medical Group - Southern Maryland LLC Endocrinology, Diabetes & Metabolism CurrentSince Sep 19, 2016 Accepting new patients
Medstar Medical Group - Southern Maryland LLC Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

37767 Market Dr
Unit 2
Charlotte Hall, MD 20622
Phone (301) 884-0278

2200 Defense Hwy
Ste 100
Crofton, MD 21114
Phone (410) 721-5280

950 E Swan Creek Rd
Ft Washington, MD 20744
Phone (301) 292-0236

24035 Three Notch Rd
Hollywood, MD 20636
Phone (301) 373-2588

10 Saint Patricks Dr
Waldorf, MD 20603
Phone (301) 705-7870

10 Saint Patricks Dr
Fl 2
Waldorf, MD 20603
Phone (301) 645-8322

Interoperability endpoints

  • Direct secure messaging: anna.thottanmd.p2@direct.msmg.nextgenshare.com

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1313452800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1033498456",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24035 THREE NOTCH RD",
            "city": "HOLLYWOOD",
            "state": "MD",
            "postal_code": "206364871",
            "telephone_number": "301-373-7900",
            "fax_number": "301-373-6900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 ST. PATRICK'S DRIVE",
            "city": "WALDORF",
            "state": "MD",
            "postal_code": "206034527",
            "telephone_number": "301-705-7870",
            "fax_number": "301-705-7628"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4240 Altamont Place",
            "address_purpose": "LOCATION",
            "city": "White Plains",
            "state": "MD",
            "postal_code": "206953052",
            "country_code": "US",
            "telephone_number": "240-518-6020",
            "fax_number": "240-518-6021",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOTTAN",
        "first_name": "ANNA",
        "middle_name": "PAUL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2011-08-16",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MD",
            "license": "D0080596",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waldorf, MD

Sources for this page

Verify at the official NPI Registry.