NPPES file of Aug 9, 2026

Robert Daniel Weiss, M.D.

Internal Medicine Physician · Bar Harbor, ME

Robert Daniel Weiss, M.D. is an internal medicine physician with a practice address in Bar Harbor, Maine, and NPI 1538150503, issued on Oct 31, 2005. Check the license (Maine 013771, 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
1538150503
Name
Robert Daniel Weiss
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
013771 ME
Self-reported in NPPES; status is on the state search
Practice location
10 Wayman LN, Bar Harbor, ME 04609
Phone
(207) 288-5081
Enumerated
Oct 31, 2005
Record last updated
Feb 13, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(207) 288-8449
Medicaid ID
133070000 ME
Medicare enrollment
Enrolled (PECOS I20050502000080); accepts Medicare assignment
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 10 Wayman LN

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

  1. John Allerding, D.OFamily Medicine Physician1104895747
  2. Angela Arnold-Ross, RN, MSNFamily Nurse Practitioner1548713191
  3. Lynne Assaf, MSWClinical Social Worker1740307313
  4. Katelynn Badger, CRNACertified Registered Nurse Anesthetist1710508478
  5. Kyla Baxter, OTR/LPhysical Rehabilitation Occupational Therapist1902761331
  6. Brenda Beckett, P.A.-CMedical Physician Assistant1134214018

Verify Robert Daniel Weiss 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 013771
    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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44% more Medicare Part D claims than the average internal medicine physician in 2024

4,587 Medicare Part D claims for 434 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims. 68 claims were for opioids.

  1. Robert Weiss4,587
  2. Specialty average3,176

Most prescribed

  1. Trelegy Ellipta539 claims
  2. Azithromycin306 claims
  3. Breo Ellipta196 claims
  4. Albuterol Sulfate Hfa188 claims
  5. Atorvastatin Calcium175 claims
  6. Breztri Aerosphere148 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): 88 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 score78.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.0
  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).

One hospital affiliation

  1. Mount Desert Island HospitalBar Harbor, ME · Critical Access Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Robert Daniel Weiss among 597 internal medicine physician records in Maine

Robert Daniel Weiss, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1985 · median 2005 among the 369 with a school on file
  • Record last updated2015 · 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).

5 internal medicine physician records list a practice address in Bar Harbor

They are 5 of the 157 NPPES records with a practice address in Bar Harbor, and 597 internal medicine physician records in Maine.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Brown, MDBar Harbor, ME 046091982683496
  2. Julius Krevans, MDBar Harbor, ME 046091689627275
  3. Abdolghader Molavi, M.D.Bar Harbor, ME 046091659513992
  4. Elizabeth Videlock, M.D.Bar Harbor, ME 046091356578272
  5. Charles Alexander, MDEllsworth, ME 046051841230588
  6. Mercedes Ang, M.D.Ellsworth, ME 046051033341813
  7. Anita Kolisch, MDEllsworth, ME 046051447283981
  8. Elizabeth Laverack, M. D.Ellsworth, ME 046051053391300

Common questions

What is Robert Daniel Weiss, M.D.'s NPI number?

Robert Daniel Weiss, M.D.'s National Provider Identifier (NPI) is 1538150503, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Daniel Weiss, M.D. located?

The NPPES record lists a practice address at 10 Wayman LN, Bar Harbor, ME, 04609. Phone: (207) 288-5081. Providers update this record themselves, so call before visiting.

How can I verify Robert Daniel Weiss, M.D.'s license?

NPPES lists Maine license number 013771, 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 Robert Daniel Weiss, M.D. prescribe under Medicare Part D?

In 2024, Robert Daniel Weiss, M.D. had 4,587 Medicare Part D claims for 434 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Robert Daniel Weiss, M.D.'s MIPS final score?

The 2023 MIPS final score is 88 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.