NPPES file of Aug 9, 2026

Samuel Gross, MD

Emergency Medicine Physician · Winchester, MA

Samuel Gross, MD is an emergency medicine physician with a practice address in Winchester, Massachusetts, and NPI 1720235120, issued on Aug 27, 2008. Check the license (Massachusetts 236402, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720235120
Name
Samuel Gross
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
236402 MA
Self-reported in NPPES; status is on the state search
Practice location
41 Highland Ave, Winchester, MA 01890
Phone
(781) 729-9000
Enumerated
Aug 27, 2008
Record last updated
Mar 23, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110803000038); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2008
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 41 Highland Ave

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

  1. Chirin Al Dalati, M.D.Internal Medicine Physician1003166885
  2. Jessica Albrinck, BSN, MPH, FNP-BCFamily Nurse Practitioner1164875639
  3. Donald Amiralian, M.D.Emergency Medicine Physician1962447078
  4. May Azar, M.D.Cytopathology Physician1114916731
  5. Karen Beaton, MDAnesthesiology Physician1780652065
  6. Eve BishopAnesthesiology Physician1619482288

Verify Samuel Gross 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 236402
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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15% fewer Medicare Part D claims than the average emergency medicine physician in 2024

191 Medicare Part D claims for 158 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Samuel Gross191
  2. Specialty average226

Most prescribed

  1. Cephalexin38 claims
  2. Amoxicillin-Clavulanate Potass20 claims
  3. Prednisone19 claims
  4. Doxycycline Hyclate17 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): 91.4 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.

  1. Qualityout of 100 · 30% of the final score76.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $20.00

1 payment: education; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samuel Gross$20.00
  2. Specialty average$953.79

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

Bills Medicare through one group practice

  1. Beth Israel Lahey Health Specialty Care, Inc.Burlington, MA

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

Samuel Gross among 1,829 emergency medicine physician records in Massachusetts

Samuel Gross, MD is one of 1,829 emergency medicine 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 2008, is newer than 49% of them.

  • NPI issued2008 · 49% of these records are older, 47% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2008 · median 2011 among the 1,200 with a school on file
  • Record last updated2017 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 emergency medicine physician records list a practice address in Winchester

They are 15 of the 439 NPPES records with a practice address in Winchester, and 1,829 emergency medicine physician records in Massachusetts.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Donald Amiralian, M.D.Winchester, MA 018901962447078
  2. Joseph Chang, M.D.Winchester, MA 018901518914274
  3. Teriggi Ciccone, M.D.Winchester, MA 018901376554584
  4. Shahrouz Hekmatpour, M.D.Winchester, MA 018901427075951
  5. Edwin Hernandez, M.D.Winchester, MA 018901699796037
  6. Marisa Kearney, M.D.Winchester, MA 018901952346710
  7. Michael Kim, M.D.Winchester, MA 018901710908140
  8. Calvin Lee, M.D.Winchester, MA 018901174728737

Common questions

What is Samuel Gross, MD's NPI number?

Samuel Gross, MD's National Provider Identifier (NPI) is 1720235120, issued on Aug 27, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Gross, MD located?

The NPPES record lists a practice address at 41 Highland Ave, Winchester, MA, 01890. Phone: (781) 729-9000. Providers update this record themselves, so call before visiting.

How can I verify Samuel Gross, MD's license?

NPPES lists Massachusetts license number 236402, 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 Samuel Gross, MD prescribe under Medicare Part D?

In 2024, Samuel Gross, MD had 191 Medicare Part D claims for 158 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Samuel Gross, MD's MIPS final score?

The 2023 MIPS final score is 91.4 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.