NPPES file of Aug 9, 2026

Joshua Lee Penn, MD

Emergency Medicine Physician · Winchester, MA

Joshua Lee Penn, MD is an emergency medicine physician with a practice address in Winchester, Massachusetts, and NPI 1811169394, issued on Mar 25, 2008. Check the license (Massachusetts 246001, 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
1811169394
Name
Joshua Lee Penn
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
246001 MA
Self-reported in NPPES; status is on the state search
Practice location
41 Highland Ave, Winchester, MA 01890
Phone
(781) 756-2000
Enumerated
Mar 25, 2008
Record last updated
Nov 2, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120801000566); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 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 Joshua Lee Penn 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 246001
    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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39% fewer Medicare Part D claims than the average emergency medicine physician in 2024

138 Medicare Part D claims for 110 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Joshua Penn138
  2. Specialty average226

Most prescribed

  1. Cephalexin22 claims
  2. Doxycycline Hyclate14 claims
  3. Oxycodone Hcl14 claims
  4. Azithromycin13 claims
  5. Amoxicillin-Clavulanate Potass12 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. Joshua Penn$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).

Joshua Lee Penn among 1,829 emergency medicine physician records in Massachusetts

Joshua Lee Penn, 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 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).

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. Samuel Gross, MDWinchester, MA 018901720235120
  5. Shahrouz Hekmatpour, M.D.Winchester, MA 018901427075951
  6. Edwin Hernandez, M.D.Winchester, MA 018901699796037
  7. Marisa Kearney, M.D.Winchester, MA 018901952346710
  8. Michael Kim, M.D.Winchester, MA 018901710908140

Common questions

What is Joshua Lee Penn, MD's NPI number?

Joshua Lee Penn, MD's National Provider Identifier (NPI) is 1811169394, issued on Mar 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Lee Penn, MD located?

The NPPES record lists a practice address at 41 Highland Ave, Winchester, MA, 01890. Phone: (781) 756-2000. Providers update this record themselves, so call before visiting.

How can I verify Joshua Lee Penn, MD's license?

NPPES lists Massachusetts license number 246001, 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 Joshua Lee Penn, MD prescribe under Medicare Part D?

In 2024, Joshua Lee Penn, MD had 138 Medicare Part D claims for 110 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Joshua Lee Penn, 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.