Gretchen A Pianka, MD - Medicare Pediatrics in Portland, ME

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Gretchen A Pianka, MD is a medicare enrolled "Pediatrics" physician in Portland, Maine. Her current practice location is 180 Park Ave Ste 1, Portland, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 874-2141.

Gretchen A Pianka is licensed to practice in Maine (license number 016560) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1013953991.

Contact Information

Gretchen A Pianka, MD
180 Park Ave Ste 1,
Portland, ME 04102-2927
(207) 874-2141
(207) 874-2164

Map and Direction




Physician's Profile

Full NameGretchen A Pianka
GenderFemale
SpecialityPediatrics
Location180 Park Ave Ste 1, Portland, Maine
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1013953991
  • Provider Enumeration Date: 06/21/2006
  • Last Update Date: 04/02/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2769458009
  • Enrollment ID: I20040908000471

Medical Identifiers

Medical identifiers for Gretchen A Pianka such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013953991NPI-NPPES
P00204198OtherMERAILROAD MEDICARE
411940099MedicaidME

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 016560 (Maine)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gretchen A Pianka allows following entities to bill medicare on her behalf.
Entity NameMainegeneral Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669423380
PECOS PAC ID: 1254245715
Enrollment ID: O20031118000718
Entity NameBridgton Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154370153
PECOS PAC ID: 8123919099
Enrollment ID: O20040322000534
Entity NameCentral Maine Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689653487
PECOS PAC ID: 2567379563
Enrollment ID: O20040324000441
Entity NamePortland Community Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609120856
PECOS PAC ID: 5395998017
Enrollment ID: O20130206000120

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gretchen A Pianka is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gretchen A Pianka, MD
180 Park Ave,
Portland, ME 04102-2957

Ph: (207) 874-2141		Gretchen A Pianka, MD
180 Park Ave Ste 1,
Portland, ME 04102-2927

Ph: (207) 874-2141

Reviews and Comments


Pediatrics Doctors in Portland, ME

Rushika M Conroy, M.D.
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Michael Alexander Ferguson, M.D.
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Dr. Rute S Rothwell, MD
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Kenneth Lombard, M.D.
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Phone: 207-662-5522    Fax: 207-662-5526
Webb E. Long, M.D.
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Medicare: Medicare Enrolled
Practice Location: 180 Park Ave Ste 1, Portland, ME 04102
Phone: 207-874-2141    Fax: 207-874-2164
David F Cox, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 22 Bramhall St, Portland, ME 04102
Phone: 207-662-2353    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.