Dr. Gregory Stryjewski, MD
- Medicare services, 2024
- 491
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 262
- Hospital affiliations
- 5
- Industry payments
- $1,318
- Practice address
- 1701 Innovation Drive, York, PA 17408
- Practice phone
- Call (717) 843-8623
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Stryjewski'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.
Dr. Gregory Stryjewski is an internist in York, Pennsylvania
Dr. Stryjewski practices at UPMC Memorial in York, Pennsylvania, part of University of Pittsburgh Medical Center.
Dr. Stryjewski's NPI, 1932450624, was assigned on September 21, 2012. Dr. Stryjewski holds New York license 271397.
- NPI
- 1932450624NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133363948
- NPI enumeration date
- September 21, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 843-8623
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Stryjewski practices at UPMC Memorial in York, Pennsylvania
Dr. Stryjewski's primary practice is UPMC Memorial, at 1701 Innovation Drive, York, PA 17408 in York County. The practice phone is (717) 843-8623.
- UPMC Memorial1701 Innovation Drive, York, PA 17408 · York CountyPhone(717) 843-8623
Source: Dmand AI Affiliation Data
Dr. Gregory Stryjewski is affiliated with 5 sites of care and 5 medical groups
Dr. Stryjewski's primary practice is UPMC Memorial in York, Pennsylvania, part of University of Pittsburgh Medical Center. Dr. Stryjewski is also affiliated with UPMC Harrisburg. The medical group on file is PinnacleHealth Hospitalist Services. Dmand AI also links Dr. Stryjewski to 3 more hospitals and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory Stryjewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stryjewski practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UPMC Memorial | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Stryjewski is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Stryjewski's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Stryjewski is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Stryjewski
Counts of internists 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
Dr. Gregory Stryjewski billed Medicare for 491 services in 2024
CMS data shows 491 Medicare services from Dr. Stryjewski across 3 procedure codes in 2024, for 168 Medicare patients. Medicare paid $32,918 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Stryjewski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4242024: 49116%
Dr. Stryjewski compared with the Pennsylvania median for internists, 2024
- Dr. Stryjewski
- Pennsylvania median
- Medicare services
- 491vs 41718% above
- Medicare patients
- 168vs 1859% below
- Part D claims
- 81vs 22464% below
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Stryjewski'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stryjewski and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Stryjewski treated 168 Medicare patients in 2024, average age 76
CMS counts 168 Medicare patients who saw Dr. Stryjewski in 2024. The largest group is 75 to 84, with 58 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.46, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Stryjewski's median patient age at 74, with 47% women.
Dr. Stryjewski's Medicare patients by age, 2024
Dr. Stryjewski's Medicare patients by sex, 2024
- Women8651%
- Men8249%
Chronic conditions among Dr. Stryjewski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease47%
- Chronic kidney disease45%
- Anxiety42%
- Heart failure42%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stryjewski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Stryjewski wrote 262 Medicare Part D claims in 2024
In 2024, Dr. Stryjewski wrote 262 Medicare Part D claims for 101 patients. 87% of them were for generic drugs. CMS names the drug for 81 of them, across 5 drugs with 11 or more claims each, at $663 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Dr. Stryjewski's Part D claims by kind of drug, 2024
- Generic228 claims87%
- Brand-name and other34 claims13%
Dr. Stryjewski'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 Dr. Stryjewski's Part D claims, 2024
- Antibiotics15%39 of 262 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: 252024: 81224%
Drugs named by CMS: 5 in 2024, 2 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
How Dr. Gregory Stryjewski takes part in Medicare
Dr. Stryjewski 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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Dr. Gregory Stryjewski received $1,318 in industry payments from 2016 to 2025
CMS Open Payments shows 63 general payments to Dr. Stryjewski from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $370.
General payments to Dr. Stryjewski by program year, 2016 to 2025
Companies that paid Dr. Stryjewski the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory Stryjewski'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Dr. Gregory Stryjewski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Stryjewski's NPI number?
Dr. Gregory Stryjewski's NPI number is 1932450624. It was assigned on September 21, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Stryjewski?
Dr. Gregory Stryjewski is an internist in York, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory Stryjewski practice?
Dr. Stryjewski practices at 1701 Innovation Drive, York, PA 17408. Dr. Stryjewski's primary practice is UPMC Memorial in York, Pennsylvania, part of University of Pittsburgh Medical Center. Dmand AI also links Dr. Stryjewski to 3 hospitals and 4 medical groups.
What is Dr. Gregory Stryjewski's office phone number?
The practice phone on file for Dr. Stryjewski is (717) 843-8623.
What is Dr. Gregory Stryjewski's medical license number?
Dr. Stryjewski holds New York license 271397.
Which hospitals is Dr. Gregory Stryjewski affiliated with?
Dr. Stryjewski practices at UPMC Memorial in York, Pennsylvania. Dr. Stryjewski is also affiliated with UPMC Harrisburg. Dmand AI links Dr. Stryjewski to 3 more hospitals.
What medical group is Dr. Gregory Stryjewski part of?
Dr. Stryjewski is linked to PinnacleHealth Hospitalist Services. Dmand AI links Dr. Stryjewski to 4 more medical groups.
Does Dr. Gregory Stryjewski accept Medicare?
Yes. CMS data shows Dr. Stryjewski billed Medicare for 491 services in 2024, and Dr. Stryjewski accepts Medicare assignment.
How many Medicare patients does Dr. Gregory Stryjewski see?
CMS counts 168 Medicare patients who saw Dr. Stryjewski in 2024, with an average age of 76.
What services does Dr. Gregory Stryjewski bill to Medicare?
In 2024, Dr. Stryjewski's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99222).
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What drugs does Dr. Gregory Stryjewski prescribe most?
In 2024 Medicare Part D data, Dr. Stryjewski's most prescribed drugs by claims were Metoprolol Succinate, Furosemide and Pantoprazole Sodium.
Has Dr. Gregory Stryjewski received payments from drug or device companies?
CMS Open Payments shows $1,318 in general payments to Dr. Stryjewski from 13 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Gregory Stryjewski been practicing?
Dr. Stryjewski graduated from medical school in 2010, 16 years ago.
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