Academic Medical CentersData CollectionEmergency Service, Hospital
Dr. Matthew Frank Grzywinski, MD
NPI1619534658PAC ID4183959372
- Medicare services, 2024
- 416
- Medicare patients, 2024
- 333
- Part D claims, 2024
- 28
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 301 Saint Paul Place, Baltimore, MD 21202
- Practice phone
- Call (410) 332-9237
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grzywinski's professional email, personal email and mobile number
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Dr. Matthew Frank Grzywinski is an emergency medicine physician in Baltimore, Maryland
Dr. Grzywinski practices at Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center.
Dr. Grzywinski's NPI, 1619534658, was assigned on May 24, 2019. Dr. Grzywinski holds Maryland license D0099548.
NPI and contact details
- NPI
- 1619534658NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183959372
- NPI enumeration date
- May 24, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 332-9237
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Frank Grzywinski practices at Mercy Medical Center in Baltimore, Maryland
Dr. Grzywinski's primary practice is Mercy Medical Center, at 301 Saint Paul Place, Baltimore, MD 21202 in Baltimore City. The practice phone is (410) 332-9237.
- Mercy Medical Center301 Saint Paul Place, Baltimore, MD 21202 · Baltimore CityPhone(410) 332-9237
Source: Dmand AI Affiliation Data
Dr. Matthew Frank Grzywinski is affiliated with 2 sites of care and 3 medical groups
Dr. Grzywinski's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center. Dr. Grzywinski is also affiliated with Thomas Jefferson University Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Grzywinski to 2 more medical groups, each named with a free account.
Thomas Jefferson University HospitalJefferson University Physicians2 medical groupsNames with a free account
See all 5 affiliations for Dr. GrzywinskiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Frank Grzywinski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grzywinski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Frank Grzywinski is one of 1,057 emergency medicine physicians in Maryland
Emergency medicine is Dr. Grzywinski's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Grzywinski's licenses on file in 3 states: Maryland, Michigan and Pennsylvania.
Specialties and state licenses
- Emergency medicine, MarylandPrimary
- Student in an organized health care education/training program, Michigan
- Pennsylvania license
Emergency medicine physicians near Dr. Grzywinski
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,057emergency medicine physicians in Maryland292emergency medicine physicians in Baltimore18emergency medicine physicians at Mercy Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Frank Grzywinski billed Medicare for 416 services in 2024
CMS data shows 416 Medicare services from Dr. Grzywinski across 6 procedure codes in 2024, for 333 Medicare patients. Medicare paid $36,175 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024416
Medicare patients333
Paid by Medicare$36,175
Procedure codes6
Dr. Grzywinski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1372024: 292113%
- Tests and treatments
- 2023: 812024: 12453%
Dr. Grzywinski compared with the Maryland median for emergency medicine physicians, 2024
- Dr. Grzywinski
- Maryland median
- Medicare services
- 416vs 30039% above
- Medicare patients
- 333vs 29214% above
Medians across 1,040 emergency medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Grzywinski'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
Dr. Matthew Frank Grzywinski treated 333 Medicare patients in 2024, average age 71
CMS counts 333 Medicare patients who saw Dr. Grzywinski in 2024. The largest group is 65 to 74, with 113 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 45% 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 Dr. Grzywinski's median patient age at 59, with 51% women.
Medicare patients, 2024333
Average age71
Average risk score2.57
Also on Medicaid45%
Dr. Grzywinski's Medicare patients by age, 2024
Dr. Grzywinski's Medicare patients by sex, 2024
- Women18856%
- Men14544%
Chronic conditions among Dr. Grzywinski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Mood disorders49%
- Chronic kidney disease42%
- Depression42%
- Ischemic heart disease42%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grzywinski'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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Frank Grzywinski wrote 28 Medicare Part D claims in 2024
In 2024, Dr. Grzywinski wrote 28 Medicare Part D claims for 19 patients. 100% of them were for generic drugs.
Part D claims, 202428
Part D patients19
Drug classes CMS tracks in Dr. Grzywinski's Part D claims, 2024
- Antibiotics46%13 of 28 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 Dr. Matthew Frank Grzywinski takes part in Medicare
Dr. Grzywinski 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. Matthew Frank Grzywinski has 1 publication on record
Dmand AI links 1 paper to Dr. Grzywinski in 2019. Dr. Grzywinski's most frequent co-authors are Geoffrey Edwin Hayden, MD and Bon Suk Ku, MD.
Papers1
Dr. Grzywinski's most frequent co-authors
Recent publications by Dr. Grzywinski
See who Dr. Grzywinski researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grzywinski works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Matthew Frank Grzywinski'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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Matthew Frank Grzywinski
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. Matthew Frank Grzywinski's NPI number?
Dr. Matthew Frank Grzywinski's NPI number is 1619534658. It was assigned on May 24, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Frank Grzywinski?
Dr. Matthew Frank Grzywinski is an emergency medicine physician in Baltimore, Maryland. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Matthew Frank Grzywinski practice?
Dr. Grzywinski practices at 301 Saint Paul Place, Baltimore, MD 21202. Dr. Grzywinski's primary practice is Mercy Medical Center in Baltimore, Maryland, part of Mercy Medical Center. Dmand AI also links Dr. Grzywinski to 2 medical groups.
What is Dr. Matthew Frank Grzywinski's office phone number?
The practice phone on file for Dr. Grzywinski is (410) 332-9237.
What is Dr. Matthew Frank Grzywinski's medical license number?
Dr. Grzywinski holds Maryland license D0099548, one of the licenses on file in 3 states.
Which states has Dr. Matthew Frank Grzywinski been licensed in?
Dmand AI has state licenses on file for Dr. Grzywinski in Maryland, Michigan and Pennsylvania.
Which hospitals is Dr. Matthew Frank Grzywinski affiliated with?
Dr. Grzywinski practices at Mercy Medical Center in Baltimore, Maryland. Dr. Grzywinski is also affiliated with Thomas Jefferson University Hospital.
What medical group is Dr. Matthew Frank Grzywinski part of?
Dr. Grzywinski is linked to Jefferson University Physicians. Dmand AI links Dr. Grzywinski to 2 more medical groups.
Does Dr. Matthew Frank Grzywinski accept Medicare?
Yes. CMS data shows Dr. Grzywinski billed Medicare for 416 services in 2024, and Dr. Grzywinski accepts Medicare assignment.
How many Medicare patients does Dr. Matthew Frank Grzywinski see?
CMS counts 333 Medicare patients who saw Dr. Grzywinski in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. Matthew Frank Grzywinski bill to Medicare?
In 2024, Dr. Grzywinski's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
How long has Dr. Matthew Frank Grzywinski been practicing?
Dr. Grzywinski graduated from medical school in 2019, 7 years ago.
Does Dr. Matthew Frank Grzywinski do research?
Dmand AI links 1 publication to Dr. Grzywinski.
Who does Dr. Matthew Frank Grzywinski publish with?
Dr. Grzywinski's most frequent co-authors are Geoffrey Edwin Hayden, MD (1 shared paper) and Bon Suk Ku, MD (1 shared paper).
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