1. Home
  2. Directory
  3. Maine
  4. Brunswick
  5. Internal Medicine
  6. NPI Profile

HELEN YUAN
NPI 1376034157
Internal Medicine - Hematology & Oncology in Brunswick, ME

Active since May 28, 2018PECOS EnrolledAccepts Medicare Assignment
329 MAINE ST STE E101, BRUNSWICK, ME 04011(207) 373-2266(207) 910-4413 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Helen Yuan NPPES

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

HELEN YUAN (NPI 1376034157) is an individual hematology & oncology provider in Brunswick, Maine, licensed in Maine (MD29442) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1376034157
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameHELEN YUAN
Location Address329 MAINE ST STE E101Brunswick, ME 04011-3310
Mailing Address329 Maine St Ste E101Brunswick, ME 04011-3310 · (207) 373-2266 · Fax (207) 910-4413
Phone(207) 373-2266
Fax(207) 910-4413
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 28, 2018
Last NPPES UpdateJuly 7, 2025
NPPES CertifiedJuly 7, 2025
✔ NPI 1376034157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in ME · MD29442
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License MD29442 (ME)
329 MAINE ST STE E101, Brunswick, ME 04011
Open in Google Maps ↗

Secondary Practice Locations 5

Location 11514 Jefferson HwyJefferson, LA 70121-2429 · Phone (504) 842-3000
Location 2116 Northport Ave Ste 112Belfast, ME 04915-6096 · Phone (207) 505-4163 · Fax (207) 613-2570
Location 3159 Main StNorway, ME 04268-5638 · Phone (207) 743-2945 · Fax (207) 743-2751
Location 46 Glen Cove DrRockport, ME 04856-4272 · Phone (207) 921-8969 · Fax (207) 910-4407
Location 524 Miles Center WayDamariscotta, ME 04543-4067 · Phone (207) 563-4046 · Fax (207) 810-4994

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health.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

Helen Yuan 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 ID8921359886
PECOS Enrollment IDI20250808003316
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 Helen Yuan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mainehealth
4.0 mi
Multi-Specialty
123 MEDICAL CENTER DR
Brunswick, ME 04011
NPI 1902422561 (207) 729-0181
Ochsner Clinic LLC
1,414 mi
General Practice
100 RED CROSS PL
Bogalusa, LA 70427
  • Reassigned Medicare billing, Louisiana enrollment
  • 4,559 clinicians in this Medicare group
NPI 1366797110 (985) 875-2828

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

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04011 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
$169.96 typical visit price
range $56.28 – $169.96
Typical copayment $42.49 (range $14.07 – $42.49)
Most-billed visit code 99205
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
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 5

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

GRETCHEN NICOLL GIMBEL PA-C
Physician Assistant
329 MAINE ST STE E101
BRUNSWICK, ME 04011
Cumberland County (207) 373-2266
RENEE MARIE PINETTE MD
Obstetrics & Gynecology (Gynecologic Oncology)
329 MAINE ST STE E101
BRUNSWICK, ME 04011
Cumberland County (207) 373-2266
JOHN J GULLO MD
Internal Medicine (Medical Oncology)
329 MAINE ST STE E101
BRUNSWICK, ME 04011
Cumberland County (207) 373-2266
HILLARY ALISON GLICK M.D.
Internal Medicine (Hematology & Oncology)
329 MAINE ST STE E101
BRUNSWICK, ME 04011
Cumberland County (207) 373-2266
ALLISON HOPE SMITH M.D.
Internal Medicine (Hematology & Oncology)
329 MAINE ST STE E101
BRUNSWICK, ME 04011
Cumberland County (207) 373-2266

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 Yuan's NPI number?

The NPI number for Helen Yuan is 1376034157. It was assigned to this individual provider in the NPPES registry on May 28, 2018.

Where is Helen Yuan located?

Helen Yuan practices at 329 Maine St Ste E101, Brunswick, ME 04011. The listed phone number is (207) 373-2266.

What is Helen Yuan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Helen Yuan enrolled in Medicare?

Yes. Helen Yuan 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 Helen Yuan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Yuan reassigns Medicare benefits to 2 organizations: Mainehealth (Brunswick, ME) and Ochsner Clinic LLC (Bogalusa, LA). 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 Helen Yuan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Helen Yuan accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Helen Yuan 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.

Is Helen Yuan affiliated with any hospitals?

According to CMS data, Helen Yuan is affiliated with Maine Medical Center and Mid Coast Hospital.

When was this NPI record last updated?

The NPPES record for Helen Yuan was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.