NATALIE POONAM DEQUILLFELDT MD, MA
NPI 1710568258
Internal Medicine in Denver, CO

Q: 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.

Q: What is Natalie Dequillfeldt's specialty?

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

Active since April 16, 2021PECOS Enrolled

777 BANNOCK ST, DENVER, CO 80204(303) 436-4949 Get Directions Write a Review

NPPES record last updated: April 22, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2026, Jun 30, 2025, Dec 31, 2024 and 2 more (5 updates tracked since 2021).

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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 Denver, Colorado, licensed in Colorado (DR.0073199) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1710568258

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameNATALIE POONAM DEQUILLFELDTCredential: MD, MA

Location Address777 BANNOCK STDenver, CO 80204-4597

Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 688-4242

Phone(303) 436-4949

Sole ProprietorNo

Enumeration DateApril 16, 2021

Last NPPES UpdateApril 22, 20265 updates tracked since enumeration

NPPES CertifiedApril 22, 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)

777 BANNOCK ST, Denver, CO 80204

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Other Names 1

Former Name (1)Natalie Poonam Phagu

Secondary Practice Location 1

Location 120 York StNew Haven, CT 06510-3220 · Phone (203) 688-4242

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 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

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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 20

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

MS. KATHERINE JEANNE CARLEY RN, MSN, CS

Clinical Nurse Specialist (Psychiatric/Mental Health)