Mark R. Gallagher, MD
Emergency Medicine Physician · Worcester, MA
Mark R. Gallagher, MD is an emergency medicine physician with a practice address in Worcester, Massachusetts, and NPI 1457580441, issued on Jul 10, 2009. Check the license (Massachusetts 250524, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark R. Gallagher
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 250524 MA
4301094925 MI
Self-reported in NPPES; status is on the state search - Practice location
- 119 Belmont St, Worcester, MA 01605
- Phone
- (508) 421-1400
- Enumerated
- Jul 10, 2009
- Record last updated
- Nov 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (508) 421-1490
- Medicaid ID
- 110092336A MA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 119 Belmont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark R. Gallagher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 250524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% more Medicare Part D claims than the average emergency medicine physician in 2024
391 Medicare Part D claims for 266 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 87 claims were for opioids.
Most prescribed
- Prednisone55 claims
- Cephalexin45 claims
- Hydrocodone-Acetaminophen45 claims
- Ibuprofen32 claims
- Oxycodone-Acetaminophen23 claims
- Gabapentin19 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): 19.3 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).
Mark R. Gallagher among 1,829 emergency medicine physician records in Massachusetts
Mark R. Gallagher, 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 2009, is newer than 53% of them.
- NPI issued2009 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2012 · 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).
216 emergency medicine physician records list a practice address in Worcester
They are 216 of the 13,166 NPPES records with a practice address in Worcester, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Worcester → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Brewer, M.D.Worcester, MA 016051043447758
- Thomas Evans, M.D.Worcester, MA 016051013068147
- Janine Gould, DOWorcester, MA 016051285600171
- Douglas HiggsWorcester, MA 016051194861351
- Craig Longo, M.D.Worcester, MA 016051588717524
- Jean Marcelin, M.D.Worcester, MA 016051558414490
- Carlos Melero-Montes, DOWorcester, MA 016051669432225
- Jason Plansky, M.D.Worcester, MA 016051326274127
Common questions
What is Mark R. Gallagher, MD's NPI number?
Mark R. Gallagher, MD's National Provider Identifier (NPI) is 1457580441, issued on Jul 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Gallagher, MD located?
The NPPES record lists a practice address at 119 Belmont St, Worcester, MA, 01605. Phone: (508) 421-1400. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Gallagher, MD's license?
NPPES lists Massachusetts license number 250524, 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 Mark R. Gallagher, MD prescribe under Medicare Part D?
In 2024, Mark R. Gallagher, MD had 391 Medicare Part D claims for 266 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mark R. Gallagher, MD's MIPS final score?
The 2023 MIPS final score is 19.3 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.