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DR. HELEN S. HAN M.D.
NPI 1346252913
Internal Medicine in West Haven, CT

Active since August 12, 2006PECOS EnrolledAccepts Medicare Assignment
1 CELLINI PL STE 102, WEST HAVEN, CT 06516(203) 932-6481(203) 932-4051 Get Directions Write a Review

NPPES record last updated: April 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 8, 2025, Jan 8, 2025, Jul 21, 2022 and 1 more (4 updates tracked since 2017).

About Dr. Helen S. Han M.d. NPPES

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

DR. HELEN S. HAN M.D. (NPI 1346252913) is an individual internal medicine provider in West Haven, Connecticut, licensed in Connecticut (79897) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1346252913
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. HELEN S. HANCredential: M.D.
Location Address1 CELLINI PL STE 102West Haven, CT 06516-1666
Mailing Address1 Cellini Pl Ste 102West Haven, CT 06516-1666 · (203) 932-6481 · Fax (203) 932-4051
Phone(203) 932-6481
Fax(203) 932-4051
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 12, 2006
Last NPPES UpdateApril 8, 20254 updates tracked since enumeration
NPPES CertifiedApril 8, 2025
✔ NPI 1346252913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 79897
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.
1 CELLINI PL STE 102, West Haven, CT 06516
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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

Dr. Helen S. Han M.d. 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 ID2466625876
PECOS Enrollment IDI20250213001269
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 Reassignment

Medicare enrollment records show Helen Han reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hhc Physician Services, PLLC
4.9 mi
Physical Medicine & Rehabilitation
322 E MAIN ST STE 1B
Branford, CT 06405
  • Reassigned Medicare billing, Connecticut enrollment
  • 156 clinicians in this Medicare group
NPI 1609530237 (203) 488-7228

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 06516 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.

KATELYN BARON ACNP
Nurse Practitioner (Adult Health)
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6481
MRS. SARAH CONNAN FNP-C
Nurse Practitioner (Family)
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6481
ALLISON MARIE ALTENBURGER APRN, NP-C
Nurse Practitioner (Adult Health)
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6481
MARIAN CAMPBELL-GETHERS PA-C
Physician Assistant (Medical)
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6481
MS. NICOLE C COLLINE APRN
Nurse Practitioner (Family)
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6481
ERIC M. FESTA APRN
Nurse Practitioner (Adult Health)
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6421
KAELENE ZUROMSKI APRN
Nurse Practitioner (Family)
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6481
SUSAN HASSAN PA
Physician Assistant
1 CELLINI PL STE 102
WEST HAVEN, CT 06516
South Central Connecticut Planning Region (203) 932-6481

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 Helen Han's NPI number?

The NPI number for Helen Han is 1346252913. It was assigned to this individual provider in the NPPES registry on August 12, 2006.

Where is Helen Han located?

Helen Han practices at 1 Cellini Pl Ste 102, West Haven, CT 06516. The listed phone number is (203) 932-6481.

What is Helen Han's specialty?

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

Is Helen Han enrolled in Medicare?

Yes. Helen Han 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 organization bills Medicare for Helen Han's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Han reassigns Medicare benefits to Hhc Physician Services, PLLC (Branford, CT). The 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 Helen Han's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Helen Han was last updated on April 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.