Registry data as of Aug 27, 2026

Maria Zientara, MD

Adult Medicine Physician · Calais, ME

Maria Zientara, MD is an adult medicine physician with a practice address in Calais, Maine, and NPI 1437354255, issued on Jun 20, 2007. Check the license on the Maine Board of Licensure in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1437354255
Name
Maria Zientara
Credential
MD
Primary taxonomy
Adult Medicine Physician 207QA0505X
Practice location
1410 River RD, Calais, ME 04619
Phone
(207) 454-8188
Enumerated
Jun 20, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Maria Zientara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Adult Medicine Physician providers in Maine

There are 15 adult medicine physician records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other adult medicine physician records in Maine

  1. Zohreen Bheriani, MDLewiston, ME1255750345
  2. Kathryn Desrosiers, NPBiddeford, ME1164103958
  3. Leslie Harding, MDJay, ME1801931969
  4. Caryl Heaton, D.O.Blue Hill, ME1063500767
  5. Samuel Hunkler, MDEllsworth, ME1124071543
  6. Jessie Hyde, MDBangor, ME1558856617
  7. Peter KourosCape Elizabeth, ME1316353170
  8. Katherine Lane, M.D.Bangor, ME1568490969
  9. Devan LucierLewiston, ME1811376072
  10. Christopher Meserve, MDTopsham, ME1184713471

Common questions

What is Maria Zientara, MD's NPI number?

Maria Zientara, MD's National Provider Identifier (NPI) is 1437354255, issued on Jun 20, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Maria Zientara, MD located?

The NPPES record lists a practice address at 1410 River RD, Calais, ME, 04619. Phone: (207) 454-8188. Providers update this record themselves, so call before visiting.

How can I verify Maria Zientara, MD's license?

Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.