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GWENDOLYN WARREN MD
NPI 1740714781
Family Medicine in Blue Hill, ME

Active since April 17, 2017PECOS Enrolled
65 WATER ST, BLUE HILL, ME 04614(207) 374-2311(207) 374-3981 Get Directions Write a Review

NPPES record last updated: April 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 5, 2026, Oct 24, 2022, Aug 19, 2021 and 1 more (4 updates tracked since 2017).

About Gwendolyn Warren Md NPPES

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

GWENDOLYN WARREN MD (NPI 1740714781) is an individual family medicine provider in Blue Hill, Maine, licensed in Maine (MD28546) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740714781
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameGWENDOLYN WARRENCredential: MD
Location Address65 WATER STBlue Hill, ME 04614-5231
Mailing Address65 Water StBlue Hill, ME 04614-5231 · (207) 374-2311 · Fax (207) 374-3981
Phone(207) 374-2311
Fax(207) 374-3981
Sole ProprietorNo
Enumeration DateApril 17, 2017
Last NPPES UpdateApril 5, 20264 updates tracked since enumeration
NPPES CertifiedApril 5, 2026
✔ NPI 1740714781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in ME · MD28546
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
65 WATER ST, Blue Hill, ME 04614
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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, 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 (PECOS)

Gwendolyn Warren Md 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 Gwendolyn Warren reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Blue Hill Memorial Hospital
Same address
Critical Access
57 WATER STREET
Blue Hill, ME 04614
  • Reassigned Medicare billing, Maine enrollment
  • 125 clinicians in this Medicare group
NPI 1023057809 (207) 374-3400
Maine Coast Regional Health Facilities
13 mi
Internal Medicine
50 UNION ST
Ellsworth, ME 04605
  • Reassigned Medicare billing, Maine enrollment
  • 174 clinicians in this Medicare group
NPI 1598152035 (207) 664-5304

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 04614 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
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
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.

DR. CRISTA C WELLS DNP
Nurse Practitioner (Adult Health)
65 WATER ST
BLUE HILL, ME 04614
Hancock County (207) 374-2311
DR. RICHARD G. HINES MD
Family Medicine
65 WATER ST, SUSSMAN OFFICE BUILDING
BLUE HILL, ME 04614
Hancock County (207) 374-2311

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 Gwendolyn Warren's NPI number?

The NPI number for Gwendolyn Warren is 1740714781. It was assigned to this individual provider in the NPPES registry on April 17, 2017.

Where is Gwendolyn Warren located?

Gwendolyn Warren practices at 65 Water St, Blue Hill, ME 04614. The listed phone number is (207) 374-2311.

What is Gwendolyn Warren's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gwendolyn Warren enrolled in Medicare?

Yes. Gwendolyn Warren is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gwendolyn Warren's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gwendolyn Warren reassigns Medicare benefits to 2 organizations: The Blue Hill Memorial Hospital (Blue Hill, ME) and Maine Coast Regional Health Facilities (Ellsworth, ME). 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 Gwendolyn Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gwendolyn Warren accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Gwendolyn Warren 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 Gwendolyn Warren was last updated on April 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.