Dr. John Michael Kowalski II, DO
- Medicare services, 2024
- 108
- Medicare patients, 2024
- 124
- Part D claims, 2024
- 55
- Hospital affiliations
- 2
- Industry payments
- $38
- Practice address
- 5501 Old York Road, Philadelphia, PA 19141
- Practice phone
- Call (215) 456-6090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kowalski'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. John Michael Kowalski II is an emergency medicine physician in Philadelphia, Pennsylvania
Dr. Kowalski practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.
Dr. Kowalski's NPI, 1447461389, was assigned on May 24, 2007. Dr. Kowalski graduated from Philadelphia College of Osteopathic Medicine in 2006. Dr. Kowalski holds New Jersey license 25MB09401600.
- NPI
- 1447461389NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547386682
- NPI enumeration date
- May 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 456-6090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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)
Dr. John Michael Kowalski II practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania
Dr. Kowalski's primary practice is Jefferson Einstein Philadelphia Hospital, at 5501 Old York Road, Philadelphia, PA 19141 in Philadelphia County. The practice phone is (215) 456-6090.
- Jefferson Einstein Philadelphia Hospital5501 Old York Road, Philadelphia, PA 19141 · Philadelphia CountyPhone(215) 456-6090
Source: Dmand AI Affiliation Data
Dr. John Michael Kowalski II is affiliated with 3 sites of care and 6 medical groups
Dr. Kowalski's primary practice is Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dr. Kowalski is also affiliated with Nazareth Hospital. The medical group on file is Vituity. Dmand AI also links Dr. Kowalski to 5 more medical groups and 1 dialysis center, 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. John Michael Kowalski II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kowalski practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jefferson Einstein Philadelphia Hospital | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Thomas Jefferson University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Michael Kowalski II is one of 2,549 emergency medicine physicians in Pennsylvania
Emergency medicine is Dr. Kowalski's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Kowalski's licenses on file in 2 states: New Jersey and Pennsylvania.
Specialties and state licenses
- Emergency medicine, New JerseyPrimary
- Pennsylvania license
Emergency medicine physicians near Dr. Kowalski
Counts of emergency medicine physicians 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. John Michael Kowalski II billed Medicare for 108 services in 2024
CMS data shows 108 Medicare services from Dr. Kowalski across 5 procedure codes in 2024, for 124 Medicare patients. Medicare paid $8,823 for them.
Dr. Kowalski's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1122024: 8425%
- Tests and treatments
- 2023: 462024: 2448%
Where Dr. Kowalski's Medicare services took place, 2024
- In an office4239%
- In a facility6661%
Dr. Kowalski compared with the Pennsylvania median for emergency medicine physicians, 2024
- Dr. Kowalski
- Pennsylvania median
- Medicare services
- 108vs 24356% below
- Medicare patients
- 124vs 23347% below
Medians across 2,501 emergency medicine physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Kowalski'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. John Michael Kowalski II treated 124 Medicare patients in 2024, average age 71
CMS counts 124 Medicare patients who saw Dr. Kowalski in 2024. The largest group is 65 to 74, with 51 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.41, 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. Kowalski's median patient age at 40, with 56% women.
Dr. Kowalski's Medicare patients by age, 2024
Dr. Kowalski's Medicare patients by sex, 2024
- Women7258%
- Men5242%
Chronic conditions among Dr. Kowalski's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes42%
- Anxiety38%
- Ischemic heart disease35%
- Mood disorders35%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kowalski's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Michael Kowalski II wrote 55 Medicare Part D claims in 2024
In 2024, Dr. Kowalski wrote 55 Medicare Part D claims for 41 patients. 93% of them were for generic drugs.
Dr. Kowalski's Part D claims by kind of drug, 2024
- Generic51 claims93%
- Brand-name and other4 claims7%
Drug classes CMS tracks in Dr. Kowalski's Part D claims, 2024
- Antibiotics25%14 of 55 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. John Michael Kowalski II takes part in Medicare
Dr. Kowalski 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. John Michael Kowalski II received $38 in industry payments from 2018 to 2022
CMS Open Payments shows 3 general payments to Dr. Kowalski from 1 drug or device company from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $38.
General payments to Dr. Kowalski by program year, 2018 to 2022
Companies that paid Dr. Kowalski the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Michael Kowalski II graduated from Philadelphia College of Osteopathic Medicine
Dr. Kowalski graduated from Philadelphia College of Osteopathic Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Michael Kowalski II'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) |
| 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 Dr. John Michael Kowalski II
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. John Michael Kowalski II's NPI number?
Dr. John Michael Kowalski II's NPI number is 1447461389. It was assigned on May 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Michael Kowalski II?
Dr. John Michael Kowalski II is an emergency medicine physician in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John Michael Kowalski II practice?
Dr. Kowalski practices at 5501 Old York Road, Philadelphia, PA 19141. Dr. Kowalski's primary practice is Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Dr. Kowalski to 5 medical groups and 1 dialysis center.
What is Dr. John Michael Kowalski II's office phone number?
The practice phone on file for Dr. Kowalski is (215) 456-6090.
What is Dr. John Michael Kowalski II's medical license number?
Dr. Kowalski holds New Jersey license 25MB09401600, one of the licenses on file in 2 states.
Which states has Dr. John Michael Kowalski II been licensed in?
Dmand AI has state licenses on file for Dr. Kowalski in New Jersey and Pennsylvania.
Which hospitals is Dr. John Michael Kowalski II affiliated with?
Dr. Kowalski practices at Jefferson Einstein Philadelphia Hospital in Philadelphia, Pennsylvania. Dr. Kowalski is also affiliated with Nazareth Hospital.
What medical group is Dr. John Michael Kowalski II part of?
Dr. Kowalski is linked to Vituity. Dmand AI links Dr. Kowalski to 5 more medical groups.
Does Dr. John Michael Kowalski II accept Medicare?
Yes. CMS data shows Dr. Kowalski billed Medicare for 108 services in 2024, and Dr. Kowalski accepts Medicare assignment.
How many Medicare patients does Dr. John Michael Kowalski II see?
CMS counts 124 Medicare patients who saw Dr. Kowalski in 2024, with an average age of 71.
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What services does Dr. John Michael Kowalski II bill to Medicare?
In 2024, Dr. Kowalski's most billed Medicare services were office visit, established patient (99213), emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. John Michael Kowalski II go to medical school?
Dr. Kowalski graduated from Philadelphia College of Osteopathic Medicine in 2006.
Has Dr. John Michael Kowalski II received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Dr. Kowalski from 1 company from 2018 to 2022. The largest total came from Pfizer Inc.
How long has Dr. John Michael Kowalski II been practicing?
Dr. Kowalski graduated from medical school in 2006, 20 years ago.
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