Anti-Neutrophil Cytoplasmic Antibody-Associated VasculitisGlomerular Filtration RateGlomerulonephritis
Dr. Peter A. Merkel, MD, MPH
NPI1437136173PAC ID9830135292
- Medicare services, 2024
- 120
- Medicare patients, 2024
- 59
- Part D claims, 2024
- 48
- Publications
- 195
- Hospital affiliations
- 2
- Practice address
- 3400 Civic Center Blvd Fl 2 Fl 2, Philadelphia, PA 19104
- Practice phone
- Call (215) 615-4949
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Perelman Center For Advanced Medicine
Multi-specialty group site · Philadelphia, Pennsylvania
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Dr. Peter A. Merkel is a rheumatologist in Philadelphia, Pennsylvania
Dr. Merkel practices at Perelman Center For Advanced Medicine in Philadelphia, Pennsylvania.
Dr. Merkel's NPI, 1437136173, was assigned on December 23, 2005. Dr. Merkel graduated from Yale University School of Medicine in 1988. Dr. Merkel holds Pennsylvania license MD043272L.
NPI and contact details
- NPI
- 1437136173NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830135292
- NPI enumeration date
- December 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 615-4949
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter A. Merkel practices at Perelman Center for Advanced Medicine in Philadelphia, Pennsylvania
Dr. Merkel's primary practice is Perelman Center for Advanced Medicine, at 3400 Civic Center Blvd Fl 2 Fl 2, Philadelphia, PA 19104. The practice phone is (215) 615-4949.
- Perelman Center for Advanced Medicine3400 Civic Center Blvd Fl 2 Fl 2, Philadelphia, PA 19104Phone(215) 615-4949
Source: Dmand AI Affiliation Data
Dr. Peter A. Merkel is affiliated with 4 sites of care and 2 medical groups
Dr. Merkel's primary practice is Perelman Center For Advanced Medicine in Philadelphia, Pennsylvania. Dr. Merkel 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. Merkel to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Perelman Center For Advanced MedicinePrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter A. Merkel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Merkel practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Perelman Center For Advanced Medicine | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter A. Merkel is one of 357 rheumatologists in Pennsylvania
Rheumatology is Dr. Merkel's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dmand AI has Dr. Merkel's licenses on file in 2 states: Pennsylvania and Massachusetts.
Specialties and state licenses
- Rheumatology, PennsylvaniaPrimary
- Internal medicine, Massachusetts
Rheumatologists near Dr. Merkel
Counts of rheumatologists 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. Peter A. Merkel billed Medicare for 120 services in 2024
CMS data shows 120 Medicare services from Dr. Merkel across 3 procedure codes in 2024, for 59 Medicare patients. Medicare paid $5,256 for them.
Medicare services, 2024120
Medicare patients59
Paid by Medicare$5,256
Procedure codes3
Dr. Merkel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 02024: 60
- Office and hospital visits
- 2023: 552024: 609%
Where Dr. Merkel's Medicare services took place, 2024
- In an office1412%
- In a facility10688%
Dr. Merkel compared with the Pennsylvania median for rheumatologists, 2024
- Dr. Merkel
- Pennsylvania median
- Medicare services
- 120vs 1,16590% below
- Medicare patients
- 59vs 25677% below
- Part D claims
- 27vs 1,19098% below
Medians across 340 rheumatologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Merkel'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. Peter A. Merkel treated 59 Medicare patients in 2024, average age 72
CMS counts 59 Medicare patients who saw Dr. Merkel in 2024. The largest group is 65 to 74, with 26 patients. 69% of them have high cholesterol, and 68% have arthritis. Their average risk score is 1.85, 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. Merkel's median patient age at 59, with 62% women.
Medicare patients, 202459
Average age72
Average risk score1.85
Dr. Merkel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Merkel's Medicare patients by sex, 2024
- Women3559%
- Men2441%
Chronic conditions among Dr. Merkel's Medicare patients, 2024
- High cholesterol69%
- Arthritis68%
- High blood pressure61%
- Osteoporosis46%
- Ischemic heart disease32%
- Chronic kidney disease29%
- Anxiety22%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Merkel'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
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter A. Merkel wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Merkel wrote 48 Medicare Part D claims for 20 patients. 75% of them were for generic drugs. CMS names the drug for 27 of them, across 1 drug with 11 or more claims each, at $382 in total drug cost. In 2022, CMS named 23 claims across 1 drug.
Part D claims, 202448
Drugs named by CMS1
Total drug cost$382
Part D patients20
Dr. Merkel's Part D claims by kind of drug, 2024
- Generic36 claims75%
- Brand-name12 claims25%
Dr. Merkel's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 232023: 2717%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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. Peter A. Merkel offers telehealth to Medicare patients
Dr. Merkel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Merkel as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter A. Merkel has 195 publications on record
Dmand AI links 195 papers to Dr. Merkel, published from 2016 to 2024. 2022 was the busiest year, with 29. The most frequent topics are Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis, Granulomatosis with Polyangiitis and Giant Cell Arteritis. Dr. Merkel has published most often in Arthritis Rheumatol. Dr. Merkel's most frequent co-authors are Carol A. Langford, MD, Paul A. Monach, MD, PhD and Philip Seo, MD, MHS.
Papers195
Years published2016 to 2024
Dr. Merkel's papers by year, 2016 to 2024
Topics Dr. Merkel writes about most
- Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis
- Granulomatosis with Polyangiitis
- Giant Cell Arteritis
- Antibodies, Antineutrophil Cytoplasmic
- Takayasu Arteritis
- Rheumatology
- Glucocorticoids
- Remission Induction
Dr. Merkel's most frequent co-authors
- Carol A. Langford, MD55 shared papers
- Paul A. Monach, MD, PhD44 shared papers
- Philip Seo, MD, MHS42 shared papers
Recent publications by Dr. Merkel
Blood ProteinsGiant Cell ArteritisProteome
Biomedical ResearchCommunicationInternet
Decision MakingFamily Planning ServicesPregnancy Complications, Cardiovascular
Semin Arthritis Rheum
Outcome Assessment, Health CareRheumatic DiseasesRheumatology
See who Dr. Merkel researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Merkel works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter A. Merkel received $521,086 in industry payments from 2016 to 2025
CMS Open Payments shows 276 general payments to Dr. Merkel from 26 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 90% of the total. AstraZeneca Pharmaceuticals LP paid the most, $154,201. It also lists 6 research payments totaling $13,143 from 2018 to 2025, naming 1 clinical trial.
General payments to Dr. Merkel by program year, 2016 to 2025
General payments to Dr. Merkel by kind, 2016 to 2025
$521.1Kin total
- Consulting fees$470,31190%
- Travel and lodging$30,6046%
- Speaker and faculty fees$10,2512%
- Honoraria$6,4651%
- Other$3,4551%
Companies that paid Dr. Merkel the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter A. Merkel graduated from Yale University School of Medicine
Dr. Merkel graduated from Yale University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter A. Merkel'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Peter A. Merkel
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. Peter A. Merkel's NPI number?
Dr. Peter A. Merkel's NPI number is 1437136173. It was assigned on December 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter A. Merkel?
Dr. Peter A. Merkel is a rheumatologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Peter A. Merkel practice?
Dr. Merkel practices at 3400 Civic Center Blvd Fl 2 Fl 2, Philadelphia, PA 19104. Dr. Merkel's primary practice is Perelman Center For Advanced Medicine in Philadelphia, Pennsylvania. Dmand AI also links Dr. Merkel to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Peter A. Merkel's office phone number?
The practice phone on file for Dr. Merkel is (215) 615-4949.
What is Dr. Peter A. Merkel's medical license number?
Dr. Merkel holds Pennsylvania license MD043272L, one of the licenses on file in 2 states.
Which states has Dr. Peter A. Merkel been licensed in?
Dmand AI has state licenses on file for Dr. Merkel in Pennsylvania and Massachusetts.
Which hospitals is Dr. Peter A. Merkel affiliated with?
Dr. Merkel is affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Merkel to 1 more hospital.
What medical group is Dr. Peter A. Merkel part of?
Dr. Merkel is linked to Penn Medicine Lancaster General Health. Dmand AI links Dr. Merkel to 1 more medical group.
Does Dr. Peter A. Merkel accept Medicare?
Yes. CMS data shows Dr. Merkel billed Medicare for 120 services in 2024, and Dr. Merkel accepts Medicare assignment.
Does Dr. Peter A. Merkel offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Merkel as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Peter A. Merkel see?
CMS counts 59 Medicare patients who saw Dr. Merkel in 2024, with an average age of 72.
What services does Dr. Peter A. Merkel bill to Medicare?
In 2024, Dr. Merkel's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Peter A. Merkel go to medical school?
Dr. Merkel graduated from Yale University School of Medicine in 1988.
What drugs does Dr. Peter A. Merkel prescribe most?
In 2023 Medicare Part D data, Dr. Merkel's most prescribed drugs by claims were Prednisone.
Has Dr. Peter A. Merkel received payments from drug or device companies?
CMS Open Payments shows $521,086 in general payments to Dr. Merkel from 26 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Peter A. Merkel been practicing?
Dr. Merkel graduated from medical school in 1988, 38 years ago.
Does Dr. Peter A. Merkel do research?
Dmand AI links 195 publications to Dr. Merkel, published from 2016 to 2024.
Who does Dr. Peter A. Merkel publish with?
Dr. Merkel's most frequent co-authors are Carol A. Langford, MD (55 shared papers), Paul A. Monach, MD, PhD (44 shared papers) and Philip Seo, MD, MHS (42 shared papers).
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