Mariah Stanard Evarts, MD
Internal Medicine Physician · Boston, MA
Mariah Stanard Evarts, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1558927939, issued on May 12, 2019. Check the license (Massachusetts 1018625, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mariah Stanard Evarts
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 1018625 MA
71445 CT
Self-reported in NPPES; status is on the state search - Practice location
- 725 Albany St Ste 9B, Boston, MA 02118
- Phone
- (617) 358-2800
- Enumerated
- May 12, 2019
- Record last updated
- Nov 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20241028002810); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 725 Albany St Ste 9B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariah Stanard Evarts in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1018625Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
316 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Albuterol Sulfate Hfa57 claims
- Fluticasone Propionate37 claims
- Trelegy Ellipta30 claims
- Prednisone25 claims
- Anoro Ellipta22 claims
- Ventolin Hfa17 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 MIPS final score for 2023 (Medicare payment program): 93.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Emerson Practice Associates, IncConcord, MA
- Lahey Clinic IncBurlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mariah Stanard Evarts among 6,825 internal medicine physician records in Massachusetts
Mariah Stanard Evarts, MD 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 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2019 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 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).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
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Common questions
What is Mariah Stanard Evarts, MD's NPI number?
Mariah Stanard Evarts, MD's National Provider Identifier (NPI) is 1558927939, issued on May 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mariah Stanard Evarts, MD located?
The NPPES record lists a practice address at 725 Albany St Ste 9B, Boston, MA, 02118. Phone: (617) 358-2800. Providers update this record themselves, so call before visiting.
How can I verify Mariah Stanard Evarts, MD's license?
NPPES lists Massachusetts license number 1018625, 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 Mariah Stanard Evarts, MD prescribe under Medicare Part D?
In 2024, Mariah Stanard Evarts, MD had 316 Medicare Part D claims for 46 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mariah Stanard Evarts, MD's MIPS final score?
The 2023 MIPS final score is 93.3 of 100. 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.