GRETCHEN A. PIANKA M.D.
NPI 1013953991
Pediatrics in Portland, ME

Active since June 21, 2006PECOS Enrolled
180 PARK AVE STE 1, PORTLAND, ME 04102(207) 874-2141(207) 874-2164 Get Directions Write a Review

NPPES record last updated: April 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 2, 2025, Jul 21, 2022, Jun 1, 2017 (3 updates tracked since 2017).

About Gretchen A. Pianka M.d. NPPES

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

GRETCHEN A. PIANKA M.D. (NPI 1013953991) is an individual pediatrics provider in Portland, Maine, licensed in Maine (016560) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1013953991
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameGRETCHEN A. PIANKACredential: M.D.
Location Address180 PARK AVE STE 1Portland, ME 04102-2927
Mailing Address180 Park AvePortland, ME 04102-2957 · (207) 874-2141 · Fax (207) 874-2164
Fax(207) 874-2164
Sole ProprietorNo
Enumeration DateJune 21, 2006
Last NPPES UpdateApril 2, 20253 updates tracked since enumeration
NPPES CertifiedApril 2, 2025
✔ NPI 1013953991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in ME · 016560
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
180 PARK AVE STE 1, Portland, ME 04102

Other Names 1

Former Name (1)Gretchen A Huot Md

Secondary Practice Location 1

Location 1295 Park AvePortland, ME 04102-2911 · Phone (207) 874-2141 · Fax (207) 874-2164

Other Identifiers 2

OtherP00204198ME · Railroad Medicare
Medicaid411940099ME

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gretchen A. Pianka M.d. 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

4

Medicare enrollment records show Gretchen Pianka reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
180 PARK AVE
Portland, ME 04102
  • Reassigned Medicare billing, Maine enrollment
  • 65 clinicians in this Medicare group
General Acute Care Hospital
300 MAIN ST
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • 920 clinicians in this Medicare group
Critical Access
10 HOSPITAL DR
Bridgton, ME 04009
  • Reassigned Medicare billing, Maine enrollment
  • 563 clinicians in this Medicare group
General Acute Care Hospital
35 MEDICAL CENTER PARKWAY
Augusta, ME 04330
  • Reassigned Medicare billing, Maine enrollment
  • 978 clinicians in this Medicare group

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 04102 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
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 20

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

Pediatrics
180 PARK AVE STE 1
PORTLAND, ME 04102
Nurse Practitioner
180 PARK AVE STE 1
PORTLAND, ME 04102
Nurse Practitioner (Psychiatric/Mental Health)
180 PARK AVE STE 1
PORTLAND, ME 04102
Family Medicine
180 PARK AVE STE 1
PORTLAND, ME 04102
Nurse Practitioner (Family)
180 PARK AVE STE 1
PORTLAND, ME 04102
Nurse Practitioner (Psychiatric/Mental Health)
180 PARK AVE STE 1
PORTLAND, ME 04102
Dental Hygienist
180 PARK AVE STE 1
PORTLAND, ME 04102
Family Medicine
180 PARK AVE STE 1
PORTLAND, ME 04102

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 Gretchen Pianka's NPI number?

The NPI number for Gretchen Pianka is 1013953991. It was assigned to this individual provider in the NPPES registry on June 21, 2006. The provider is also known as Gretchen A Huot MD.

Where is Gretchen Pianka located?

Gretchen Pianka practices at 180 Park Ave Ste 1, Portland, ME 04102. The listed phone number is (207) 874-2141.

What is Gretchen Pianka's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Gretchen Pianka enrolled in Medicare?

Yes. Gretchen Pianka is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Gretchen Pianka's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Pianka reassigns Medicare benefits to 4 organizations: Portland Community Health Center (Portland, ME), Central Maine Medical Center (Lewiston, ME), Bridgton Hospital (Bridgton, ME) and Mainegeneral Medical Center (Augusta, 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 Gretchen Pianka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gretchen Pianka accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Gretchen Pianka 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 Gretchen Pianka was last updated on April 2, 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.