GRETCHEN A. PIANKA M.D.
NPI 1013953991
Pediatrics in Portland, ME
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
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 2
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).
Medicare Billing Reassignments
4Medicare 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.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 65 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
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.
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.
PORTLAND, ME 04102
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.