Michael Patrick Stempek, MMSC, PA-C

  • Woburn, MA
  • Physician assistant
NPI1518006873PAC ID6709989072
Medicare patients, 2024
23
Part D claims, 2024
282
Hospital affiliations
2
Industry payments
$14
Medical group
1
Practice address
200 Unicorn Park Dr, Woburn, MA 01801
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Excel Orthopaedic Specialists - HOPD

Acute Care Hospital outpatient department · Woburn, Massachusetts

See all 5 affiliations

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Michael Patrick Stempek is a physician assistant in Woburn, Massachusetts

Michael Stempek practices at Excel Orthopaedic Specialists - HOPD in Woburn, Massachusetts.

Michael Stempek's NPI, 1518006873, was assigned on February 5, 2007. Michael Stempek graduated from Emory University School of Medicine in 2006. Michael Stempek holds Massachusetts license PA4497.

NPI and contact details
Medicare PAC ID
6709989072
NPI enumeration date
February 5, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Michael Patrick Stempek practices at Excel Orthopaedic Specialists - HOPD in Woburn, Massachusetts

Michael Stempek's primary practice is Excel Orthopaedic Specialists - HOPD, at 200 Unicorn Park Dr, Woburn, MA 01801.

  • Excel Orthopaedic Specialists - HOPD
    200 Unicorn Park Dr, Woburn, MA 01801

Source: Dmand AI Affiliation Data

Michael Patrick Stempek is affiliated with 4 sites of care and 1 medical group

Michael Stempek's primary practice is Excel Orthopaedic Specialists - HOPD in Woburn, Massachusetts. Michael Stempek is also affiliated with Winchester Hospital. The medical group on file is Excel Orthopaedic Specialists. Dmand AI also links Michael Stempek to 1 more hospital and 1 group practice or clinic, each named with a free account. Michael Stempek's employer is on file too: a hospital.

See all 5 affiliations for Michael Stempek

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Michael Patrick Stempek's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Stempek practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Excel Orthopaedic Specialists - HOPDAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael Patrick Stempek is one of 3,922 physician assistants in Massachusetts

Physician assistant is Michael Stempek's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Michael Stempek's licenses on file in 2 states: Massachusetts and Georgia.

Specialties and state licenses

  • Physician assistant, MassachusettsPrimaryLicense PA4497 · taxonomy 363A00000X
  • Surgical physician assistant, GeorgiaLicense 4992 · taxonomy 363AS0400X

Physician assistants near Michael Stempek

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

3,922physician assistants in Massachusetts
9physician assistants in Woburn

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Michael Patrick Stempek treated 23 Medicare patients in 2024, average age 75

CMS counts 23 Medicare patients who saw Michael Stempek in 2024. 75% of them have high cholesterol, and 74% have arthritis. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Michael Stempek's median patient age at 59, with 53% women.

Medicare patients, 202423
Average age75
Average risk score1.08

Chronic conditions among Michael Stempek's Medicare patients, 2024

  1. High cholesterol75%
  2. Arthritis74%
  3. High blood pressure65%

Share of Medicare patients with each condition. A patient can have several.

Michael Stempek's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Michael Patrick Stempek wrote 282 Medicare Part D claims in 2024

In 2024, Michael Stempek wrote 282 Medicare Part D claims for 214 patients. 100% of them were for generic drugs.

Part D claims, 2024282
Part D patients214

Michael Stempek's Part D claims by kind of drug, 2024

  • Generic281 claims100%
  • Brand-name and other1 claims0%

Drug classes CMS tracks in Michael Stempek's Part D claims, 2024

  • Opioids30%84 of 282 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Michael Patrick Stempek takes part in Medicare

Michael Stempek accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Michael Patrick Stempek received $14 in industry payments in 2025

CMS Open Payments shows 1 general payment to Michael Stempek from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $14.

Companies that paid Michael Stempek the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Stempek

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Michael Patrick Stempek graduated from Emory University School of Medicine

Michael Stempek graduated from Emory University School of Medicine in 2006.

  1. Medical schoolEmory University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Michael Patrick Stempek's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael Patrick Stempek

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael Patrick Stempek's NPI number?

Michael Patrick Stempek's NPI number is 1518006873. It was assigned on February 5, 2007, and it is active in the NPI Registry.

What does Michael Patrick Stempek specialize in?

Michael Patrick Stempek is a physician assistant in Woburn, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael Patrick Stempek practice?

Michael Stempek practices at 200 Unicorn Park Dr, Woburn, MA 01801. Michael Stempek's primary practice is Excel Orthopaedic Specialists - HOPD in Woburn, Massachusetts. Dmand AI also links Michael Stempek to 1 hospital and 1 group practice or clinic.

What is Michael Patrick Stempek's medical license number?

Michael Stempek holds Massachusetts license PA4497, one of the licenses on file in 2 states.

Which states has Michael Patrick Stempek been licensed in?

Dmand AI has state licenses on file for Michael Stempek in Massachusetts and Georgia.

Which hospitals is Michael Patrick Stempek affiliated with?

Michael Stempek is affiliated with Winchester Hospital. Dmand AI links Michael Stempek to 1 more hospital.

What medical group is Michael Patrick Stempek part of?

Michael Stempek is linked to Excel Orthopaedic Specialists.

Does Michael Patrick Stempek accept Medicare?

Yes. CMS lists Michael Stempek as accepting Medicare assignment.

How many Medicare patients does Michael Patrick Stempek see?

CMS counts 23 Medicare patients who saw Michael Stempek in 2024, with an average age of 75.

Where did Michael Patrick Stempek go to medical school?

Michael Stempek graduated from Emory University School of Medicine in 2006.

Has Michael Patrick Stempek received payments from drug or device companies?

CMS Open Payments shows $14 in general payments to Michael Stempek from 1 company from 2025 to 2025. The largest total came from Ferring Pharmaceuticals Inc.

How long has Michael Patrick Stempek been practicing?

Michael Stempek graduated from medical school in 2006, 20 years ago.

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