Heidi Walls, M.D.
Sports Medicine (Family Medicine) Physician · Portland, ME
Heidi Walls, M.D. is a sports medicine (family medicine) physician with a practice address in Portland, Maine, and NPI 1902291446, issued on Apr 1, 2015. Check the license (Maine MD22437, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Heidi Walls
- Credential
- M.D.
- Primary taxonomy
- Sports Medicine (Family Medicine) Physician 207QS0010X
- License number
- MD22437 ME
Self-reported in NPPES; status is on the state search - Practice location
- 331 Veranda St, Portland, ME 04103
- Phone
- (207) 828-2402
- Enumerated
- Apr 1, 2015
- Record last updated
- Mar 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181029001587); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest sports medicine (family medicine) physician records → All 29 in Maine → Look up another NPI →
Also registered at 331 Veranda St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Benson, M.D.Family Medicine Physician1992827851
- Beth Brausch, OTOccupational Therapist1356528301
- Steven Brewster, MDFamily Medicine Physician1497851307
- Cathra Chappelle, MDFamily Medicine Physician1912957069
- Patrick Connolly, MDFamily Medicine Physician1982655098
- Douglas Couper, MDInternal Medicine Physician1154371243
Verify Heidi Walls in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD22437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average sports medicine (family medicine) physician in 2024
78 Medicare Part D claims for 18 beneficiaries, against an average of 855 among the 2,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of 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): 59.9 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).
One hospital affiliation
- Central Maine Medical CenterLewiston, ME · Acute Care Hospitals4 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.
Heidi Walls among 29 sports medicine (family medicine) physician records in Maine
Heidi Walls, M.D. is one of 29 sports medicine (family medicine) physician records with a practice address in Maine. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 79% of them.
- NPI issued2015 · 79% of these records are older, 10% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2015 · median 2006 among the 24 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QS0010X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Family Medicine) Physician providers in Maine
There are 29 sports medicine (family medicine) physician records in Maine.
All 29 in Maine → Every provider in Portland → Sports Medicine (Family Medicine) Physician nationwide →
The 8 sports medicine (family medicine) physician records with the nearest ZIP codes
- Mary Iaculli, D.O.Portland, ME 041031407266778
- William Dexter, MDPortland, ME 041021396739520
- Alison Lee, D.O.Portland, ME 041021114213667
- David Marr, M.D.Portland, ME 041021760483721
- Krystian Bigosinski, MDSouth Portland, ME 041061245450832
- John Colianni, M.D.South Portland, ME 041061336264316
- Heather Gillespie, MDSouth Portland, ME 041061861561581
- Allyson Howe, MDSouth Portland, ME 041061679662563
Common questions
What is Heidi Walls, M.D.'s NPI number?
Heidi Walls, M.D.'s National Provider Identifier (NPI) is 1902291446, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Heidi Walls, M.D. located?
The NPPES record lists a practice address at 331 Veranda St, Portland, ME, 04103. Phone: (207) 828-2402. Providers update this record themselves, so call before visiting.
How can I verify Heidi Walls, M.D.'s license?
NPPES lists Maine license number MD22437, 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 Heidi Walls, M.D. prescribe under Medicare Part D?
In 2024, Heidi Walls, M.D. had 78 Medicare Part D claims for 18 beneficiaries; the average among sports medicine (family medicine) physician prescribers was 855. Part D covers Medicare prescriptions only.
What is Heidi Walls, M.D.'s MIPS final score?
The 2023 MIPS final score is 59.9 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.