NPPES file of Aug 9, 2026

Mary Louise Ashur, M.D.

Internal Medicine Physician · Milton, MA

Mary Louise Ashur, M.D. is an internal medicine physician with a practice address in Milton, Massachusetts, and NPI 1033109343, issued on Oct 27, 2005. Check the license (Massachusetts 59841, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033109343
Name
Mary Louise Ashur
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
59841 MA
Self-reported in NPPES; status is on the state search
Practice location
88 Wharf St, Milton, MA 02186
Phone
(617) 696-7601
Enumerated
Oct 27, 2005
Record last updated
Feb 17, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(671) 696-2138
Medicaid ID
3066967 MA
Medicare enrollment
Enrolled (PECOS I20050406000269); accepts Medicare assignment
Medical or professional school
University Of Connecticut School Of Medicine, 1985
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 Mary Louise Ashur in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 59841
    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 Massachusetts license search

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61% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,227 Medicare Part D claims for 120 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Mary Ashur1,227
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium112 claims
  2. Amlodipine Besylate80 claims
  3. Lisinopril66 claims
  4. Losartan Potassium60 claims
  5. Hydrochlorothiazide56 claims
  6. Rosuvastatin Calcium50 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.

Bills Medicare through one group practice

  1. Harbor Health Services IncDorchester, MA

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

Mary Louise Ashur among 6,825 internal medicine physician records in Massachusetts

Mary Louise Ashur, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1985 · median 2004 among the 4,103 with a school on file
  • Record last updated2012 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 internal medicine physician records list a practice address in Milton

They are 15 of the 445 NPPES records with a practice address in Milton, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Barravecchio, M.D.Milton, MA 021861801997564
  2. Michele Chabot, MDMilton, MA 021861629062781
  3. Jon Cronin, M.D.Milton, MA 021861326085523
  4. Daniel Driscoll, M.D.Milton, MA 021861942290853
  5. John Ferrante, M.D.Milton, MA 021861649269523
  6. Richard Florentine, MDMilton, MA 021861609826676
  7. Kenneth Harris, M.D.Milton, MA 021861790710887
  8. John Joseph Looney, M.D.Milton, MA 021861003848532

Common questions

What is Mary Louise Ashur, M.D.'s NPI number?

Mary Louise Ashur, M.D.'s National Provider Identifier (NPI) is 1033109343, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mary Louise Ashur, M.D. located?

The NPPES record lists a practice address at 88 Wharf St, Milton, MA, 02186. Phone: (617) 696-7601. Providers update this record themselves, so call before visiting.

How can I verify Mary Louise Ashur, M.D.'s license?

NPPES lists Massachusetts license number 59841, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mary Louise Ashur, M.D. prescribe under Medicare Part D?

In 2024, Mary Louise Ashur, M.D. had 1,227 Medicare Part D claims for 120 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.