Rebecca Anneliese Williams, DO
Hospitalist Physician · Augusta, ME
Rebecca Anneliese Williams, DO is a hospitalist physician with a practice address in Augusta, Maine, and NPI 1700306909, issued on Jun 20, 2017. Check the license (Maine FW9633656, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rebecca Anneliese Williams
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- FW9633656 ME
RT-3154 NH
Self-reported in NPPES; status is on the state search - Practice location
- 35 Medical Center Pkwy, Augusta, ME 04330
- Phone
- (207) 626-1000
- Enumerated
- Jun 20, 2017
- Record last updated
- Aug 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200930003512); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2017
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 245 in Maine → Look up another NPI →
Also registered at 35 Medical Center Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rebecca Anneliese Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license FW9633656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average hospitalist physician in 2024
198 Medicare Part D claims for 52 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium14 claims
- Autoshield Duo Pen Needle13 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): 79.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mainegeneral Medical CenterWaterville, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Anneliese Williams among 245 hospitalist physician records in Maine
Rebecca Anneliese Williams, DO is one of 245 hospitalist physician records with a practice address in Maine. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 69% of them.
- NPI issued2017 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2017 · median 2012 among the 206 with a school on file
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Maine
There are 245 hospitalist physician records in Maine.
All 245 in Maine → Every provider in Augusta → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Matthew Carpenter, MDAugusta, ME 043301689171951
- Andrew Dionne, M.D.Augusta, ME 043301669426151
- Navid Eslami, MDAugusta, ME 043301427573856
- Daniel Hammond, D.O.Augusta, ME 043301235210394
- Kari Koch, MDAugusta, ME 043301740667617
- Reynerio Lanoy, MDAugusta, ME 043301740405505
- Christopher Maiona, M.D.Augusta, ME 043301205881042
- Debra Nathan, MDAugusta, ME 043301699741462
Common questions
What is Rebecca Anneliese Williams, DO's NPI number?
Rebecca Anneliese Williams, DO's National Provider Identifier (NPI) is 1700306909, issued on Jun 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Anneliese Williams, DO located?
The NPPES record lists a practice address at 35 Medical Center Pkwy, Augusta, ME, 04330. Phone: (207) 626-1000. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Anneliese Williams, DO's license?
NPPES lists Maine license number FW9633656, 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 Rebecca Anneliese Williams, DO prescribe under Medicare Part D?
In 2024, Rebecca Anneliese Williams, DO had 198 Medicare Part D claims for 52 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Rebecca Anneliese Williams, DO's MIPS final score?
The 2023 MIPS final score is 79.3 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.