NPPES file of Aug 9, 2026

John Nikolhaus Smith, MD

Cardiovascular Disease Physician · Westbrook, ME

John Nikolhaus Smith, MD is a cardiovascular disease physician with a practice address in Westbrook, Maine, and NPI 1639523194, issued on Apr 20, 2016. Check the license (Maine MD27190, 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
1639523194
Name
John Nikolhaus Smith
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
MD27190 ME
D0089835 MD
Self-reported in NPPES; status is on the state search
Practice location
1 Riverfront Plz, Westbrook, ME 04092
Phone
(207) 885-9905
Enumerated
Apr 20, 2016
Record last updated
Jan 30, 2024
Medicare enrollment
Enrolled (PECOS I20240219001917); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify John Nikolhaus Smith 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 MD27190
    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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97% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

88 Medicare Part D claims for 34 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. John Smith88
  2. Specialty average3,078

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): 80.2 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 score76.7
  2. Costout of 100 · 30%53.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. MainehealthPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Nikolhaus Smith among 147 cardiovascular disease physician records in Maine

John Nikolhaus Smith, MD is one of 147 cardiovascular disease physician records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.

  • NPI issued2016 · 86% of these records are older, 10% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2016 · median 2004 among the 103 with a school on file
  • Record last updated2024 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Maine

There are 147 cardiovascular disease physician records in Maine.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Howard Glass, D.O.Westbrook, ME 040921063443539
  2. George Didonna, M.D.Yarmouth, ME 040961508136953
  3. Craig Brett, M.D.Portland, ME 041011841270535
  4. Wayne Kruithoff, M.D.Portland, ME 041011447220561
  5. Frederick Poulin, MDPortland, ME 041011528094562
  6. Bram Geller, M.D.Portland, ME 041021275828311
  7. Sebastian Jablonski, D.O.Portland, ME 041021093151094
  8. Adam Karpman, D.O.Portland, ME 041021093002750

Common questions

What is John Nikolhaus Smith, MD's NPI number?

John Nikolhaus Smith, MD's National Provider Identifier (NPI) is 1639523194, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is John Nikolhaus Smith, MD located?

The NPPES record lists a practice address at 1 Riverfront Plz, Westbrook, ME, 04092. Phone: (207) 885-9905. Providers update this record themselves, so call before visiting.

How can I verify John Nikolhaus Smith, MD's license?

NPPES lists Maine license number MD27190, 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 John Nikolhaus Smith, MD prescribe under Medicare Part D?

In 2024, John Nikolhaus Smith, MD had 88 Medicare Part D claims for 34 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is John Nikolhaus Smith, MD's MIPS final score?

The 2023 MIPS final score is 80.2 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.