NPPES file of Aug 9, 2026

Maria A. Yialamas, MD

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Maria A. Yialamas, MD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1679563316, issued on Oct 25, 2005. Check the license (Massachusetts 205435, 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
1679563316
Name
Maria A. Yialamas
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
205435 MA
Self-reported in NPPES; status is on the state search
Practice location
70 Francis St, Boston, MA 02115
Phone
(857) 307-4100
Enumerated
Oct 25, 2005
Record last updated
Jun 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(857) 307-1366
Medicaid ID
2009901 MA
Medicare enrollment
Enrolled (PECOS I20040324000898); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1998
Telehealth
Offers telehealth (CMS)
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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Also registered at 70 Francis St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rahul Aggarwal, MDStudent in an Organized Health Care Education/Training Program1558929703
  2. Michele BoyleOccupational Therapist1669827622
  3. Kristin Boyt, PAPhysician Assistant1225091358
  4. John Butter, MDInternal Medicine Physician1629037064
  5. Kelly CheeversOccupational Therapist1528682713
  6. Kathryn Everton, DPTPhysical Therapist1972285708

Verify Maria A. Yialamas 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 205435
    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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79% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

550 Medicare Part D claims for 162 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Maria Yialamas550
  2. Specialty average2,630

Most prescribed

  1. Atorvastatin Calcium51 claims
  2. Lisinopril28 claims
  3. Levothyroxine Sodium23 claims
  4. Rosuvastatin Calcium22 claims
  5. Omeprazole20 claims
  6. Lorazepam16 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. Brigham And Womens Physicians Organization IncBoston, MA

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

Maria A. Yialamas among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Maria A. Yialamas, MD is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% 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, 86% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1998 · median 2002 among the 378 with a school on file
  • Record last updated2012 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Gail Adler, MD PHDBoston, MA 021151780675280
  2. Shehzad Basaria, MDBoston, MA 021151699730101
  3. Edward Brown, MDBoston, MA 021151871550137
  4. Margo Hudson, MDBoston, MA 021151922065242
  5. Ursula Kaiser, MDBoston, MA 021151053377374
  6. Nikheel Kolatkar, M.D.Boston, MA 021151396748463
  7. P Larsen, MDBoston, MA 021151700842952
  8. Meryl Leboff, MDBoston, MA 021151235106030

Common questions

What is Maria A. Yialamas, MD's NPI number?

Maria A. Yialamas, MD's National Provider Identifier (NPI) is 1679563316, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Maria A. Yialamas, MD located?

The NPPES record lists a practice address at 70 Francis St, Boston, MA, 02115. Phone: (857) 307-4100. Providers update this record themselves, so call before visiting.

How can I verify Maria A. Yialamas, MD's license?

NPPES lists Massachusetts license number 205435, 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 Maria A. Yialamas, MD prescribe under Medicare Part D?

In 2024, Maria A. Yialamas, MD had 550 Medicare Part D claims for 162 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.