Natalie Poonam Dequillfeldt, MD, MA

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

DR.0073199 Issued in CO

Practice address

500 E Main St Ste 212
Branford, CT 06405-2937

Phone

(203) 481-5665

Fax

(203) 481-2018

NPI assigned

Apr 16, 2021

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Natalie Poonam Phagu Former name

Medicare fee-for-service enrollment

Enrolled in CO

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

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Arts, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ndequillfeldt724422@direct.ynhh.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.

• Denver Health and Hospital Authority

  • General Practice Physician
  • Denver, CO
  • NPI 1477569838
  Medicare reassignment NPD
• Denver Health and Hospital Authority

  • Psychiatric Hospital Unit
  • Denver, CO
  • NPI 1689624942
  NPD
• Branford Internal Medicine LLC

  • Internal Medicine Physician
  • Branford, CT
  • NPI 1124106406
  NPD (past)
• Northeast Medical Group, Inc.

  • Internal Medicine Physician
  • Bridgeport, CT
  • NPI 1043278351
  NPD (past)
• Denver Health and Hospital Authority

  • General Acute Care Hospital
  • Denver, CO
  • NPI 1689624686
  NPD (past)

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

{
    "created_epoch": "1618531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786320000000",
    "number": "1710568258",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 E MAIN ST STE 212",
            "city": "BRANFORD",
            "state": "CT",
            "postal_code": "064052937",
            "telephone_number": "203-481-5665",
            "fax_number": "203-481-2018"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 E MAIN ST STE 212",
            "city": "BRANFORD",
            "state": "CT",
            "postal_code": "064052937",
            "telephone_number": "203-481-5665",
            "fax_number": "203-481-2018"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEQUILLFELDT",
        "first_name": "NATALIE",
        "middle_name": "POONAM",
        "credential": "MD, MA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-16",
        "last_updated": "2026-08-10",
        "certification_date": "2026-08-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR.0073199",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CT",
            "license": "80967",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NATALIE",
            "last_name": "PHAGU",
            "middle_name": "POONAM",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jeffrey M. Delott, D.P.M.
• Peter A. Deluca, M.D.
• Anita Marie Delucia, PT
• Amy Demers, DPT
• Michelle Demers, MSW
• Heather Desroches, PA
• Susan Devlin, OTR
• Brett David Devries, PA-C
• Diabetic Footwear Centers LLC
• Vincent J Difonzo, MPT

• Internal Medicine Physician in Branford, CT
• Providers in Branford, CT by specialty
• Internal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 10, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.