NPPES file of Aug 9, 2026

David Alexander Lapham, MD

Internal Medicine Physician · Portland, ME

David Alexander Lapham, MD is an internal medicine physician with a practice address in Portland, Maine, and NPI 1548765753, issued on Mar 28, 2018. Check the license (Maine MD24740, 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
1548765753
Name
David Alexander Lapham
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD24740 ME
Self-reported in NPPES; status is on the state search
Practice location
22 Bramhall St, Portland, ME 04102
Phone
(207) 662-0111
Enumerated
Mar 28, 2018
Record last updated
Jun 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210712001471); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2018
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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Also registered at 22 Bramhall St

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

  1. Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
  2. Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
  3. Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
  4. Joshua Abrams, PA-CSurgical Physician Assistant1932832128
  5. Christopher Abruzzese, D.OAnesthesiology Physician1558789305
  6. Haley Acker, PA-CPhysician Assistant1972167377

Verify David Alexander Lapham 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 MD24740
    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

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

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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,665 Medicare Part D claims for 628 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 222 claims were for opioids.

  1. David Lapham7,665
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium680 claims
  2. Amlodipine Besylate495 claims
  3. Losartan Potassium360 claims
  4. Lisinopril287 claims
  5. Omeprazole279 claims
  6. Metoprolol Succinate257 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score86.1
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthNorway, ME

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

David Alexander Lapham among 597 internal medicine physician records in Maine

David Alexander Lapham, MD is one of 597 internal medicine physician records with a practice address in Maine. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.

  • NPI issued2018 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2018 · median 2005 among the 369 with a school on file
  • Record last updated2021 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

145 internal medicine physician records list a practice address in Portland

They are 145 of the 6,022 NPPES records with a practice address in Portland, and 597 internal medicine physician records in Maine.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Elizabeth Ackerson, MDPortland, ME 041021912920117
  2. Ari Berman, MDPortland, ME 041021225015829
  3. Kirsten Berman, M.D.Portland, ME 041021043280431
  4. Nananda Col, MDPortland, ME 041021104870377
  5. Heidi Deblock, M.D.Portland, ME 041021922095892
  6. Kathleen Fairfield, M.D.Portland, ME 041021992744353
  7. Steven Hess, MDPortland, ME 041021427099498
  8. Rabee Kiwan, MDPortland, ME 041021992784938

Common questions

What is David Alexander Lapham, MD's NPI number?

David Alexander Lapham, MD's National Provider Identifier (NPI) is 1548765753, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.

Where is David Alexander Lapham, MD located?

The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.

How can I verify David Alexander Lapham, MD's license?

NPPES lists Maine license number MD24740, 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 David Alexander Lapham, MD prescribe under Medicare Part D?

In 2024, David Alexander Lapham, MD had 7,665 Medicare Part D claims for 628 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is David Alexander Lapham, MD's MIPS final score?

The 2023 MIPS final score is 98.1 of 100. 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.