Dr. Raphael Howard Karkowsky, MD
- Medicare services, 2024
- 1,419
- Medicare patients, 2024
- 289
- Part D claims, 2024
- 5,151
- Hospital affiliations
- 5
- Industry payments
- $97
- Practice address
- 1830 South St, Philadelphia, PA 19146
- Practice phone
- Call (215) 762-0630
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pennsylvania Hospital of the University of Pennsylvania Health System
Philadelphia, Pennsylvania
Find Dr. Karkowsky'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. Raphael Howard Karkowsky is an internist in Philadelphia, Pennsylvania
Dr. Karkowsky practices at Pennsylvania Hospital of the University of Pennsylvania Health System in Philadelphia, Pennsylvania.
Dr. Karkowsky's NPI, 1194082164, was assigned on April 16, 2012. Dr. Karkowsky graduated from George Washington University School of Medicine in 2012. Dr. Karkowsky holds Pennsylvania license MD454446.
- NPI
- 1194082164NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618100348
- NPI enumeration date
- April 16, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 762-0630
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raphael Howard Karkowsky practices at Pennsylvania Hospital of the University of Pennsylvania Health System in Philadelphia, Pennsylvania
Dr. Karkowsky's primary practice is Pennsylvania Hospital of the University of Pennsylvania Health System, at 1830 South St, Philadelphia, PA 19146 in Philadelphia County. The practice phone is (215) 762-0630.
- Pennsylvania Hospital of the University of Pennsylvania Health System1830 South St, Philadelphia, PA 19146 · Philadelphia CountyPhone(215) 762-0630
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Raphael Howard Karkowsky is affiliated with 9 sites of care and 3 medical groups
Dr. Karkowsky's primary practice is Pennsylvania Hospital of the University of Pennsylvania Health System in Philadelphia, Pennsylvania. Dr. Karkowsky is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Karkowsky to 4 more hospitals, 2 group practices and clinics, 2 medical groups and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Raphael Howard Karkowsky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karkowsky practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pennsylvania Hospital of the University of Pennsylvania Health System | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Raphael Howard Karkowsky is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Karkowsky's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Karkowsky is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Karkowsky
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. Raphael Howard Karkowsky billed Medicare for 1,419 services in 2024
CMS data shows 1,419 Medicare services from Dr. Karkowsky across 13 procedure codes in 2024, for 289 Medicare patients. Medicare paid $52,830 for them. Every service was in an office.
Dr. Karkowsky's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6592024: 6098%
- Other services
- 2023: 3192024: 59085%
- Tests and treatments
- 2023: 1472024: 1481%
- Lab and pathology
- 2023: 812024: 7211%
Dr. Karkowsky compared with the Pennsylvania median for internists, 2024
- Dr. Karkowsky
- Pennsylvania median
- Medicare services
- 1,419vs 4173.4 times
- Medicare patients
- 289vs 18556% above
- Part D claims
- 4,613vs 22420.6 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Karkowsky'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. Karkowsky and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raphael Howard Karkowsky treated 289 Medicare patients in 2024, average age 74
CMS counts 289 Medicare patients who saw Dr. Karkowsky in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Karkowsky's median patient age at 63, with 47% women.
Dr. Karkowsky's Medicare patients by age, 2024
Dr. Karkowsky's Medicare patients by sex, 2024
- Women11640%
- Men17360%
Chronic conditions among Dr. Karkowsky's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis40%
- Ischemic heart disease30%
- Diabetes26%
- Chronic kidney disease25%
- Mood disorders25%
- Cancer21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karkowsky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
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. Raphael Howard Karkowsky wrote 5,151 Medicare Part D claims in 2024
In 2024, Dr. Karkowsky wrote 5,151 Medicare Part D claims for 472 patients. 87% of them were for generic drugs. CMS names the drug for 4,613 of them, across 100 drugs with 11 or more claims each, at $407,646 in total drug cost. In 2023, CMS named 4,878 claims across 103 drugs.
Dr. Karkowsky's Part D claims by kind of drug, 2024
- Generic4,502 claims87%
- Brand-name630 claims12%
- Other19 claims0%
Dr. Karkowsky'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. Karkowsky's Part D claims, 2024
- Opioids1%35 of 5,151 claims
- Antibiotics1%43 of 5,151 claims
- Antipsychotics, patients 65 and over0%16 of 5,151 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: 4,8782024: 4,6135%
Drugs named by CMS: 100 in 2024, 103 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
Dr. Raphael Howard Karkowsky offers telehealth to Medicare patients
Dr. Karkowsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Karkowsky as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Raphael Howard Karkowsky received $97 in industry payments from 2023 to 2025
CMS Open Payments shows 5 general payments to Dr. Karkowsky from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $79.
General payments to Dr. Karkowsky by program year, 2023 to 2025
Companies that paid Dr. Karkowsky the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Raphael Howard Karkowsky graduated from George Washington University School of Medicine
Dr. Karkowsky graduated from George Washington University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Raphael Howard Karkowsky'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Raphael Howard Karkowsky
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. Raphael Howard Karkowsky's NPI number?
Dr. Raphael Howard Karkowsky's NPI number is 1194082164. It was assigned on April 16, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Raphael Howard Karkowsky?
Dr. Raphael Howard Karkowsky is an internist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Raphael Howard Karkowsky practice?
Dr. Karkowsky practices at 1830 South St, Philadelphia, PA 19146. Dr. Karkowsky's primary practice is Pennsylvania Hospital of the University of Pennsylvania Health System in Philadelphia, Pennsylvania. Dmand AI also links Dr. Karkowsky to 4 hospitals, 2 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. Raphael Howard Karkowsky's office phone number?
The practice phone on file for Dr. Karkowsky is (215) 762-0630.
What is Dr. Raphael Howard Karkowsky's medical license number?
Dr. Karkowsky holds Pennsylvania license MD454446.
Which hospitals is Dr. Raphael Howard Karkowsky affiliated with?
Dr. Karkowsky is affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Karkowsky to 4 more hospitals.
What medical group is Dr. Raphael Howard Karkowsky part of?
Dr. Karkowsky is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Karkowsky to 2 more medical groups.
Does Dr. Raphael Howard Karkowsky accept Medicare?
Yes. CMS data shows Dr. Karkowsky billed Medicare for 1,419 services in 2024, and Dr. Karkowsky accepts Medicare assignment.
Does Dr. Raphael Howard Karkowsky offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Karkowsky as offering telehealth services.
How many Medicare patients does Dr. Raphael Howard Karkowsky see?
CMS counts 289 Medicare patients who saw Dr. Karkowsky in 2024, with an average age of 74.
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What services does Dr. Raphael Howard Karkowsky bill to Medicare?
In 2024, Dr. Karkowsky's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Raphael Howard Karkowsky go to medical school?
Dr. Karkowsky graduated from George Washington University School of Medicine in 2012.
What drugs does Dr. Raphael Howard Karkowsky prescribe most?
In 2024 Medicare Part D data, Dr. Karkowsky's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Raphael Howard Karkowsky received payments from drug or device companies?
CMS Open Payments shows $97 in general payments to Dr. Karkowsky from 2 companies from 2023 to 2025. The largest total came from Exact Sciences Corporation.
How long has Dr. Raphael Howard Karkowsky been practicing?
Dr. Karkowsky graduated from medical school in 2012, 14 years ago.
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