NPPES file of Aug 9, 2026

William A. Seeglitz, D.O.

Neuromusculoskeletal Medicine & OMM Physician · Newtonville, MA

William A. Seeglitz, D.O. is a neuromusculoskeletal medicine & omm physician with a practice address in Newtonville, Massachusetts, and NPI 1851351506, issued on Mar 26, 2006. Check the license (Massachusetts 73155, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1851351506
Name
William A. Seeglitz
Credential
D.O.
Primary taxonomy
Neuromusculoskeletal Medicine & OMM Physician 204D00000X
License number
73155 MA
Self-reported in NPPES; status is on the state search
Practice location
437 Newtonville Ave, Newtonville, MA 02460
Phone
(617) 964-5959
Enumerated
Mar 26, 2006
Record last updated
Jul 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(617) 964-2452
Medicare enrollment
Enrolled (PECOS I20050412000956); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 1989
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 William A. Seeglitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 73155
    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
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91% fewer Medicare Part D claims than the average neuromusculoskeletal medicine & omm physician in 2024

55 Medicare Part D claims for 22 beneficiaries, against an average of 604 among the 400 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 24 claims were for opioids.

  1. William Seeglitz55
  2. Specialty average604

Most prescribed

  1. Methadone Hcl12 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $22.79

1 payment: food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 201 providers of this specialty with any payment received $1,034.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Seeglitz$22.79
  2. Specialty average$1,034.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

1 neuromusculoskeletal medicine & omm physician records list a practice address in Newtonville

They are 1 of the 56 NPPES records with a practice address in Newtonville, and 9 neuromusculoskeletal medicine & omm physician records in Massachusetts.

Other neuromusculoskeletal medicine & omm physician records in Massachusetts

  1. William Foley, DONewton, MA1598740227
  2. James Gronemeyer, D.O.Arlington, MA1952525412
  3. Joshua Krembs, D.O.Pittsfield, MA1417195496
  4. Thomas Macari, D.O.Lynnfield, MA1043506926
  5. Lucette Nadle, D.O.Westborough, MA1104880483
  6. David Stuckey, D.O.Northampton, MA1902236680
  7. Kim Tripp, D.O.Pittsfield, MA1609162783
  8. James Wrede, D.O.North Falmouth, MA1023190634

Common questions

What is William A. Seeglitz, D.O.'s NPI number?

William A. Seeglitz, D.O.'s National Provider Identifier (NPI) is 1851351506, issued on Mar 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William A. Seeglitz, D.O. located?

The NPPES record lists a practice address at 437 Newtonville Ave, Newtonville, MA, 02460. Phone: (617) 964-5959. Providers update this record themselves, so call before visiting.

How can I verify William A. Seeglitz, D.O.'s license?

NPPES lists Massachusetts license number 73155, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does William A. Seeglitz, D.O. prescribe under Medicare Part D?

In 2024, William A. Seeglitz, D.O. had 55 Medicare Part D claims for 22 beneficiaries; the average among neuromusculoskeletal medicine & omm physician prescribers was 604. Part D covers Medicare prescriptions only.

What is William A. Seeglitz, D.O.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.