William J. Sauer, M.D.
Anesthesiology Physician · Portland, ME
William J. Sauer, M.D. is an anesthesiology physician with a practice address in Portland, Maine, and NPI 1114248366, issued on Jun 22, 2010. Check the license (Maine MD21066, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- William J. Sauer
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- MD21066 ME
A133479 CA
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-2526
- Enumerated
- Jun 22, 2010
- Record last updated
- May 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20221202001953); may accept Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2010
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 280 in Maine → Look up another NPI →
Also registered at 22 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
- Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
- Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
- Joshua Abrams, PA-CSurgical Physician Assistant1932832128
- Christopher Abruzzese, D.OAnesthesiology Physician1558789305
- Haley Acker, PA-CPhysician Assistant1972167377
Verify William J. Sauer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD21066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $424.47
3 payments; by number, the most common kind was food and beverage; the largest payer was Biosense Webster, Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
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). Star ratings are CMS hospital ratings, not ratings of this provider.
William J. Sauer among 280 anesthesiology physician records in Maine
William J. Sauer, M.D. is one of 280 anesthesiology physician records with a practice address in Maine. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2010 · median 2007 among the 192 with a school on file
- Record last updated2016 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
126 anesthesiology physician records list a practice address in Portland
They are 126 of the 6,022 NPPES records with a practice address in Portland, and 280 anesthesiology physician records in Maine.
All 280 in Maine → Every provider in Portland → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- John Allyn, M.D.Portland, ME 041021144312224
- Robert Ascanio, M.D.Portland, ME 041021760554273
- Angus Christie, M.D.Portland, ME 041021306852215
- Christopher Connors, M.D.Portland, ME 041021477587228
- Janette Covington, MDPortland, ME 041021871557835
- Villi Enders, MDPortland, ME 041021740263433
- Robert Epstein, M.D.Portland, ME 041021588684203
- Jessica Hathaway, M.D.Portland, ME 041021679654552
Common questions
What is William J. Sauer, M.D.'s NPI number?
William J. Sauer, M.D.'s National Provider Identifier (NPI) is 1114248366, issued on Jun 22, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William J. Sauer, M.D. located?
The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-2526. Providers update this record themselves, so call before visiting.
How can I verify William J. Sauer, M.D.'s license?
NPPES lists Maine license number MD21066, 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.
What is William J. Sauer, 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.