CLARA WARDEN MD
NPI 1194475731
Internal Medicine in New Haven, CT

Q: What is Clara Warden's NPI number?

The NPI number for Clara Warden is 1194475731. It was assigned to this individual provider in the NPPES registry on March 26, 2022.

Q: What is Clara Warden's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Clara Warden was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since March 26, 2022PECOS EnrolledAccepts Medicare Assignment

20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 Get Directions Write a Review

NPPES record last updated: August 28, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 6, 2025, Apr 14, 2022 (2 updates tracked since 2022).

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About Clara Warden Md NPPES

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

CLARA WARDEN MD (NPI 1194475731) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (81120) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2022).

NPPES Registry Identity

NPI1194475731

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameCLARA WARDENCredential: MD

Location Address20 YORK STNew Haven, CT 06510-3220

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

Phone(203) 688-4242

Sole ProprietorNo

Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2022

Enumeration DateMarch 26, 2022

Last NPPES UpdateAugust 28, 20252 updates tracked since enumeration

NPPES CertifiedAugust 28, 2025

✔ NPI 1194475731 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 CT · 81120

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 ListedHospitalistTaxonomy 208M00000X · License 81120 (CT)

20 YORK ST, New Haven, CT 06510

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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 and accepts Medicare assignment

Clara Warden Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284014762

PECOS Enrollment IDI20250527002677

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

Medicare enrollment records show Clara Warden reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mill Hill Medical Consultants Inc

Same address

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

Yale University

0.4 mi

Advanced Practice Midwife

100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519

Reassigned Medicare billing, Connecticut enrollment
3,728 clinicians in this Medicare group

NPI 1124148887 (203) 737-5432

Cornell Scott Hill Health Corporation

0.6 mi

Federally Qualified Health Center (FQHC)

400-428 COLUMBUS AVENUE
New Haven, CT 06519

Reassigned Medicare billing, Connecticut enrollment
468 clinicians in this Medicare group

NPI 1902921380 (203) 503-3000

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 06510 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 20

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

AUDREY P SENIOR APRN

Nurse Practitioner (Family)

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-5860

DR. YEISID F FIGUEREDO M.D.

Pediatrics (Neonatal-Perinatal Medicine)

20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-2320

YALE NEW HAVEN HOSPITAL

Durable Medical Equipment & Medical Supplies (Customized Equipment)

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-2046

TAYLOR KINGSTON

Dietitian, Registered

20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-9185

DR. TRAVIS DANIEL BONTRAGER MD

Hospitalist

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-1734

TERESA JOSEPH D.O.

Internal Medicine (Nephrology)

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 737-8894

MR. BRAD ST. MARTIN MD

Obstetrics & Gynecology

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

BERNADETTE BIMONTE-HACKETT LCSW

Social Worker (Clinical)

20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-5161

JOHN A VANJAH CRNA

Nurse Anesthetist, Certified Registered

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 785-2802

DR. SEAN MICHAEL PENNETTI MD

Psychiatry & Neurology (Neurology)

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

MARIE ANJELIESE RODRIGUEZ

Internal Medicine

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

RUCHI CHANDRAKANT RANA M.S., CCC-SLP

Speech-Language Pathologist

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 512-8951

JOSHUA REED BIA

Emergency Medicine

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

DR. MARGARET M XU MD

Internal Medicine (Geriatric Medicine)

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

EDWARD S LEE MD, PHD

Pathology (Blood Banking & Transfusion Medicine)

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

SYDNEY M JUDGE PA-C

Physician Assistant (Surgical)

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

FRANKLIN CHEN

Pharmacist

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 200-3100

CHRISTOPHER EL MOUHAYYAR

Internal Medicine

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

BO PENG MD

Internal Medicine

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

ELAINE COLOMB MD

Student in an Organized Health Care Education/Training Program

20 YORK ST
NEW HAVEN, CT 06510

South Central Connecticut Planning Region (203) 688-4242

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 Clara Warden's NPI number?

The NPI number for Clara Warden is 1194475731. It was assigned to this individual provider in the NPPES registry on March 26, 2022.

Where is Clara Warden located?

Clara Warden practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.

What is Clara Warden's specialty?

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

Is Clara Warden enrolled in Medicare?

Yes. Clara Warden is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Clara Warden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clara Warden reassigns Medicare benefits to 3 organizations: Mill Hill Medical Consultants Inc (New Haven, CT), Yale University (New Haven, CT) and Cornell Scott Hill Health Corporation (New Haven, CT). 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 Clara Warden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Clara Warden accept?

Health plans from Anthem Blue Cross and Blue Shield list Clara Warden 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 Clara Warden was last updated on August 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.