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NATALIE POONAM DEQUILLFELDT MD, MA
NPI 1710568258
Internal Medicine in Branford, CT

Active since April 16, 2021PECOS Enrolled
500 E MAIN ST STE 212, BRANFORD, CT 06405(203) 481-5665(203) 481-2018 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 10, 2026, Apr 22, 2026, Jun 30, 2025 and 3 more (6 updates tracked since 2021).

About Natalie Poonam Dequillfeldt Md, Ma NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATALIE POONAM DEQUILLFELDT MD, MA (NPI 1710568258) is an individual internal medicine provider in Branford, Connecticut, licensed in Colorado (DR.0073199) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710568258
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNATALIE POONAM DEQUILLFELDTCredential: MD, MA
Location Address500 E MAIN ST STE 212Branford, CT 06405-2937
Mailing Address500 E Main St Ste 212Branford, CT 06405-2937 · (203) 481-5665 · Fax (203) 481-2018
Phone(203) 481-5665
Fax(203) 481-2018
Sole ProprietorNo
Enumeration DateApril 16, 2021
Last NPPES UpdateAugust 10, 20266 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
✔ NPI 1710568258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CO · DR.0073199
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 80967 (CT)
500 E MAIN ST STE 212, Branford, CT 06405
Open in Google Maps ↗

Other Names 1

Former Name (1)Natalie Poonam Phagu

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Natalie Poonam Dequillfeldt Md, Ma is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Natalie Dequillfeldt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mill Hill Medical Consultants Inc
4.9 mi
Hospitalist
20 YORK ST, CB 2041
New Haven, CT 06510
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Northeast Medical Group Inc
  • 1,824 clinicians in this Medicare group
NPI 1952624769 (203) 688-4741
Denver Health And Hospital Authority
1,687 mi
General Practice
777 BANNOCK ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 2,259 clinicians in this Medicare group
NPI 1477569838 (303) 436-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KYLE LYNN BLOMBERG
Nurse Practitioner (Family)
500 E MAIN ST STE 212
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5665
DR. LIA NADINE CESAR MD
Family Medicine
500 E MAIN ST STE 212
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 481-5665

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Natalie Dequillfeldt's NPI number?

The NPI number for Natalie Dequillfeldt is 1710568258. It was assigned to this individual provider in the NPPES registry on April 16, 2021. The provider is also known as Natalie Poonam Phagu.

Where is Natalie Dequillfeldt located?

Natalie Dequillfeldt practices at 500 E Main St Ste 212, Branford, CT 06405. The listed phone number is (203) 481-5665.

What is Natalie Dequillfeldt's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Natalie Dequillfeldt enrolled in Medicare?

Yes. Natalie Dequillfeldt is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Natalie Dequillfeldt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Dequillfeldt reassigns Medicare benefits to 2 organizations: Mill Hill Medical Consultants Inc (New Haven, CT) and Denver Health And Hospital Authority (Denver, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Natalie Dequillfeldt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Natalie Dequillfeldt accept?

Health plans from Anthem Blue Cross and Blue Shield list Natalie Dequillfeldt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Natalie Dequillfeldt was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.