NPPES file of Aug 9, 2026

Karl F. Sitterly, M.D.

Family Medicine Physician · Newport, ME

Karl F. Sitterly, M.D. is a family medicine physician with a practice address in Newport, Maine, and NPI 1891986782, issued on Aug 6, 2007. Check the license (Maine 015041, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891986782
Name
Karl F. Sitterly
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
015041 ME
Self-reported in NPPES; status is on the state search
Practice location
26 Main St, Newport, ME 04953
Phone
(207) 368-5747
Enumerated
Aug 6, 2007
Record last updated
Dec 20, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(207) 368-5483
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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Also registered at 26 Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Carol Armatis, MDInternal Medicine Physician1790752632
  2. John Baker, MDFamily Medicine Physician1780651455
  3. Gretchen Gehrke, PA-CMedical Physician Assistant1821065129
  4. April Hertlein, APRN-CNPNurse Practitioner1801249826
  5. Ben Hieronymus, ARNPCFamily Nurse Practitioner1154398089
  6. Kristin MorganNurse Practitioner1053176255

Verify Karl F. Sitterly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license 015041
    Check 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

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2.8 times the Medicare Part D claims of the average family medicine physician in 2024

9,756 Medicare Part D claims for 573 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 1,127 claims were for opioids.

  1. Karl Sitterly9,756
  2. Specialty average3,544

Most prescribed

  1. Oxycodone Hcl301 claims
  2. Lisinopril287 claims
  3. Atorvastatin Calcium274 claims
  4. Hydrocodone-Acetaminophen266 claims
  5. Levothyroxine Sodium246 claims
  6. Omeprazole214 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score93.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%96.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $13.59

1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karl Sitterly$13.59
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 family medicine physician records list a practice address in Newport

They are 3 of the 72 NPPES records with a practice address in Newport, and 1,172 family medicine physician records in Maine.

Other family medicine physician records in Maine

  1. Jeffrey Aalberg, MDFalmouth, ME1669400222
  2. Elizabeth Abbas, DOFarmington, ME1932588100
  3. Robert Abrams, M.D.Lubec, ME1720067010
  4. Andrea Abrell, DOAugusta, ME1558525188
  5. Justine Achille, MDGorham, ME1962962324
  6. Katie Adams, MDLincoln, ME1154764975
  7. Thomas Adams, MDSouthwest Harbor, ME1851331565
  8. Rebecca Adamson, MDLewiston, ME1912313982
  9. Constance Adler, M.D., F.A.A.F.P.Farmington, ME1487689675
  10. Devesh Agarwal, M.D.Lincoln, ME1710116876

Common questions

What is Karl F. Sitterly, M.D.'s NPI number?

Karl F. Sitterly, M.D.'s National Provider Identifier (NPI) is 1891986782, issued on Aug 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karl F. Sitterly, M.D. located?

The NPPES record lists a practice address at 26 Main St, Newport, ME, 04953. Phone: (207) 368-5747. Providers update this record themselves, so call before visiting.

How can I verify Karl F. Sitterly, M.D.'s license?

NPPES lists Maine license number 015041, as entered by the provider. 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.

How much does Karl F. Sitterly, M.D. prescribe under Medicare Part D?

In 2024, Karl F. Sitterly, M.D. had 9,756 Medicare Part D claims for 573 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Karl F. Sitterly, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.