Mark L. Heyd
- Medicare services, 2024
- 404
- Medicare patients, 2024
- 189
- Part D claims, 2024
- 210
- MIPS score, 2024
- 82
- Hospital affiliations
- 2
- Practice address
- 201 State Street, Erie, PA 16550
- Practice phone
- Call (814) 877-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mark Heyd's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mark L. Heyd is a hospitalist in Erie, Pennsylvania
Mark Heyd practices at UPMC Hamot in Erie, Pennsylvania, part of University of Pittsburgh Medical Center.
Mark Heyd's NPI, 1750381133, was assigned on July 27, 2005. Mark Heyd graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 1999. Mark Heyd holds Pennsylvania license OS012011.
- NPI
- 1750381133NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557251287
- NPI enumeration date
- July 27, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (814) 877-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark L. Heyd practices at UPMC Hamot in Erie, Pennsylvania
Mark Heyd's primary practice is UPMC Hamot, at 201 State Street, Erie, PA 16550 in Erie County. The practice phone is (814) 877-6000.
- UPMC Hamot201 State Street, Erie, PA 16550 · Erie CountyPhone(814) 877-6000
Source: Dmand AI Affiliation Data
Mark L. Heyd is affiliated with 2 sites of care and 1 medical group
Mark Heyd's primary practice is UPMC Hamot in Erie, Pennsylvania, part of University of Pittsburgh Medical Center. Mark Heyd is also affiliated with UPMC Chautauqua. The medical group on file is UPMC Hamot.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark L. Heyd's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Heyd practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UPMC Hamot | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Mark L. Heyd is one of 1,233 hospitalists in Pennsylvania
Hospitalist is Mark Heyd's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Mark Heyd is licensed in Pennsylvania.
Specialties and state licenses
- Hospitalist, PennsylvaniaPrimary
Hospitalists near Mark Heyd
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mark L. Heyd billed Medicare for 404 services in 2024
CMS data shows 404 Medicare services from Mark Heyd across 4 procedure codes in 2024, for 189 Medicare patients. Medicare paid $29,538 for them. Every service was in a facility, such as a hospital, rather than an office.
Mark Heyd's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5182024: 40422%
Mark Heyd compared with the Pennsylvania median for hospitalists, 2024
- Mark Heyd
- Pennsylvania median
- Medicare services
- 404vs 413Close to median
- Medicare patients
- 189vs 2068% below
- Part D claims
- 68vs 68Close to median
Medians across 1,187 hospitalists in Pennsylvania with Dmand AI profiles that report each measure.
Mark Heyd's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark L. Heyd treated 189 Medicare patients in 2024, average age 76
CMS counts 189 Medicare patients who saw Mark Heyd in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Heyd's median patient age at 76, with 44% women.
Mark Heyd's Medicare patients by age, 2024
Mark Heyd's Medicare patients by sex, 2024
- Women8746%
- Men10254%
Chronic conditions among Mark Heyd's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Chronic kidney disease55%
- Heart failure55%
- Ischemic heart disease55%
- Atrial fibrillation49%
- Diabetes49%
Share of Medicare patients with each condition. A patient can have several.
Mark Heyd's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark L. Heyd wrote 210 Medicare Part D claims in 2024
In 2024, Mark Heyd wrote 210 Medicare Part D claims for 75 patients. 81% of them were for generic drugs. CMS names the drug for 68 of them, across 4 drugs with 11 or more claims each, at $6,995 in total drug cost. In 2023, CMS named 46 claims across 3 drugs.
Mark Heyd's Part D claims by kind of drug, 2024
- Generic171 claims81%
- Brand-name and other39 claims19%
Mark Heyd's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Mark Heyd's Part D claims, 2024
- Antibiotics7%14 of 210 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 462024: 6848%
Drugs named by CMS: 4 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mark L. Heyd scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Mark Heyd for performance year 2024, reported as part of a group. Mark Heyd accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mark Heyd's MIPS scores, performance year 2024
- 82of 100Final score
- 65.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Mark L. Heyd received $12 in industry payments in 2022
CMS Open Payments shows 1 general payment to Mark Heyd from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $12.
Companies that paid Mark Heyd the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mark L. Heyd graduated from Lake Erie College of Osteopathic Medicine - Seton Hill
Mark Heyd graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark L. Heyd's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mark L. Heyd
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What is Mark L. Heyd's NPI number?
Mark L. Heyd's NPI number is 1750381133. It was assigned on July 27, 2005, and it is active in the NPI Registry.
What does Mark L. Heyd specialize in?
Mark L. Heyd is a hospitalist in Erie, Pennsylvania. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Mark L. Heyd practice?
Mark Heyd practices at 201 State Street, Erie, PA 16550. Mark Heyd's primary practice is UPMC Hamot in Erie, Pennsylvania, part of University of Pittsburgh Medical Center.
What is Mark L. Heyd's office phone number?
The practice phone on file for Mark Heyd is (814) 877-6000.
What is Mark L. Heyd's medical license number?
Mark Heyd holds Pennsylvania license OS012011.
Which hospitals is Mark L. Heyd affiliated with?
Mark Heyd practices at UPMC Hamot in Erie, Pennsylvania. Mark Heyd is also affiliated with UPMC Chautauqua.
What medical group is Mark L. Heyd part of?
Mark Heyd is linked to UPMC Hamot.
Does Mark L. Heyd accept Medicare?
Yes. CMS data shows Mark Heyd billed Medicare for 404 services in 2024, and Mark Heyd accepts Medicare assignment.
What is Mark L. Heyd's MIPS score?
Mark Heyd's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Mark L. Heyd see?
CMS counts 189 Medicare patients who saw Mark Heyd in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Mark L. Heyd bill to Medicare?
In 2024, Mark Heyd's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Mark L. Heyd go to medical school?
Mark Heyd graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 1999.
What drugs does Mark L. Heyd prescribe most?
In 2024 Medicare Part D data, Mark Heyd's most prescribed drugs by claims were Pantoprazole Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Mark L. Heyd received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Mark Heyd from 1 company from 2022 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Mark L. Heyd been practicing?
Mark Heyd graduated from medical school in 1999, 27 years ago.
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