Dr. Clyde E. Markowitz, MD
- Medicare services, 2024
- 587
- Medicare patients, 2024
- 248
- Part D claims, 2024
- 1,227
- Publications
- 27
- Clinical trials
- 1
- 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
Find Dr. Markowitz'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. Clyde E. Markowitz is a neurologist in Philadelphia, Pennsylvania
Dr. Markowitz practices at Perelman Center For Advanced Medicine in Philadelphia, Pennsylvania.
Dr. Markowitz's NPI, 1417981135, was assigned on July 10, 2006. Dr. Markowitz graduated from Columbia University College of Physicians and Surgeons in 1990. Dr. Markowitz holds Pennsylvania license MD066765L.
- NPI
- 1417981135NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274669940
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 615-4949
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clyde E. Markowitz practices at Perelman Center for Advanced Medicine in Philadelphia, Pennsylvania
Dr. Markowitz'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. Clyde E. Markowitz is affiliated with 4 sites of care and 1 medical group
Dr. Markowitz's primary practice is Perelman Center For Advanced Medicine in Philadelphia, Pennsylvania. Dr. Markowitz 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. Markowitz to 2 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Clyde E. Markowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markowitz 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 affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clyde E. Markowitz is one of 910 neurologists in Pennsylvania
Neurology is Dr. Markowitz's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Markowitz is licensed in Pennsylvania.
Specialties and state licenses
- Neurology, PennsylvaniaPrimary
Neurologists near Dr. Markowitz
Counts of neurologists 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. Clyde E. Markowitz billed Medicare for 587 services in 2024
CMS data shows 587 Medicare services from Dr. Markowitz across 5 procedure codes in 2024, for 248 Medicare patients. Medicare paid $30,224 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Markowitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2462024: 2699%
- Other services
- 2023: 02024: 236
- Surgery
- 2023: 742024: 8211%
Dr. Markowitz compared with the Pennsylvania median for neurologists, 2024
- Dr. Markowitz
- Pennsylvania median
- Medicare services
- 587vs 31089% above
- Medicare patients
- 248vs 19328% above
- Part D claims
- 1,084vs 2813.9 times
Medians across 876 neurologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Markowitz'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. Clyde E. Markowitz treated 248 Medicare patients in 2024, average age 68
CMS counts 248 Medicare patients who saw Dr. Markowitz in 2024. The largest group is 65 to 74, with 137 patients. 69% of them have high cholesterol, and 54% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Markowitz's median patient age at 58, with 70% women.
Dr. Markowitz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Markowitz's Medicare patients by sex, 2024
- Women17470%
- Men7430%
Chronic conditions among Dr. Markowitz's Medicare patients, 2024
- High cholesterol69%
- High blood pressure54%
- Arthritis43%
- Mood disorders31%
- Anxiety30%
- Depression27%
- Osteoporosis25%
- Diabetes19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Markowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women70%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clyde E. Markowitz wrote 1,227 Medicare Part D claims in 2024
In 2024, Dr. Markowitz wrote 1,227 Medicare Part D claims for 156 patients. 55% of them were for generic drugs. CMS names the drug for 1,084 of them, across 21 drugs with 11 or more claims each, at $4,495,811 in total drug cost. In 2023, CMS named 1,105 claims across 19 drugs.
Dr. Markowitz's Part D claims by kind of drug, 2024
- Generic671 claims55%
- Brand-name556 claims45%
Dr. Markowitz'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1052024: 1,0842%
Drugs named by CMS: 21 in 2024, 19 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. Clyde E. Markowitz scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Markowitz for performance year 2024, reported as part of a group. Dr. Markowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Markowitz's MIPS scores, performance year 2024
- 85of 100Final score
- 73.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Clyde E. Markowitz has 27 publications on record
Dmand AI links 27 papers to Dr. Markowitz, published from 2010 to 2025. 2014 was the busiest year, with 4. The most frequent topics are Multiple Sclerosis, Magnetic Resonance Imaging and Brain. Dr. Markowitz has published most often in Mult Scler. Dr. Markowitz's most frequent co-authors are Erica Berlin Baller, Joseph Rossi Berger, MD and Theodore D. Satterthwaite, MD.
Dr. Markowitz's papers by year, 2010 to 2025
Topics Dr. Markowitz writes about most
- Multiple Sclerosis
- Magnetic Resonance Imaging
- Brain
- Multiple Sclerosis, Relapsing-Remitting
- White Matter
- Administration, Oral
- Cognition
- Depression
Dr. Markowitz's most frequent co-authors
- Erica Berlin Baller5 shared papers
- Joseph Rossi Berger, MD5 shared papers
- Theodore D. Satterthwaite, MD5 shared papers
Recent publications by Dr. Markowitz
Neurotherapeutics
Mult Scler Relat Disord
Ann Clin Transl Neurol
See who Dr. Markowitz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Markowitz works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Clyde E. Markowitz has worked on 1 clinical trial
Dmand AI links Dr. Markowitz to 1 clinical trial. Conditions studied include Multiple Sclerosis, Relapsing-Remitting and Multiple Sclerosis.
Conditions in Dr. Markowitz's trials
- Multiple Sclerosis, Relapsing-Remitting
- Multiple Sclerosis
Investigators on the most trials with Dr. Markowitz
- Anne H. Cross, MD1 shared trial
- Michelle Therese Fabian, MD1 shared trial
- Arash Farhadi, MD1 shared trial
Recent clinical trials with Dr. Markowitz
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Clyde E. Markowitz received $469,463 in industry payments from 2016 to 2025
CMS Open Payments shows 566 general payments to Dr. Markowitz from 25 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 72% of the total. Genentech, Inc. paid the most, $140,818. It also lists 2 research payments totaling $1,839 from 2018 to 2020.
General payments to Dr. Markowitz by program year, 2016 to 2025
General payments to Dr. Markowitz by kind, 2016 to 2025
- Consulting fees$340,06972%
- Travel and lodging$50,69711%
- Speaker and faculty fees$33,8567%
- Food and beverage$26,3256%
- Other$18,4164%
Companies that paid Dr. Markowitz 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. Clyde E. Markowitz graduated from Columbia University College of Physicians and Surgeons
Dr. Markowitz graduated from Columbia University College of Physicians and Surgeons in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Clyde E. Markowitz'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Clyde E. Markowitz
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What is Dr. Clyde E. Markowitz's NPI number?
Dr. Clyde E. Markowitz's NPI number is 1417981135. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Clyde E. Markowitz?
Dr. Clyde E. Markowitz is a neurologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Clyde E. Markowitz practice?
Dr. Markowitz practices at 3400 Civic Center Blvd Fl 2 Fl 2, Philadelphia, PA 19104. Dr. Markowitz's primary practice is Perelman Center For Advanced Medicine in Philadelphia, Pennsylvania. Dmand AI also links Dr. Markowitz to 2 hospitals.
What is Dr. Clyde E. Markowitz's office phone number?
The practice phone on file for Dr. Markowitz is (215) 615-4949.
What is Dr. Clyde E. Markowitz's medical license number?
Dr. Markowitz holds Pennsylvania license MD066765L.
Which hospitals is Dr. Clyde E. Markowitz affiliated with?
Dr. Markowitz is affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Markowitz to 2 more hospitals.
What medical group is Dr. Clyde E. Markowitz part of?
Dr. Markowitz is linked to Penn Medicine Lancaster General Health.
Does Dr. Clyde E. Markowitz accept Medicare?
Yes. CMS data shows Dr. Markowitz billed Medicare for 587 services in 2024, and Dr. Markowitz accepts Medicare assignment.
What is Dr. Clyde E. Markowitz's MIPS score?
Dr. Markowitz's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Clyde E. Markowitz see?
CMS counts 248 Medicare patients who saw Dr. Markowitz in 2024, with an average age of 68.
Show 7 more questionsShow fewer questions
What services does Dr. Clyde E. Markowitz bill to Medicare?
In 2024, Dr. Markowitz's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Clyde E. Markowitz go to medical school?
Dr. Markowitz graduated from Columbia University College of Physicians and Surgeons in 1990.
What drugs does Dr. Clyde E. Markowitz prescribe most?
In 2024 Medicare Part D data, Dr. Markowitz's most prescribed drugs by claims were Copaxone, Gabapentin and Dalfampridine ER.
Has Dr. Clyde E. Markowitz received payments from drug or device companies?
CMS Open Payments shows $469,463 in general payments to Dr. Markowitz from 25 companies from 2016 to 2025. The largest total came from Genentech, Inc.
How long has Dr. Clyde E. Markowitz been practicing?
Dr. Markowitz graduated from medical school in 1990, 36 years ago.
Does Dr. Clyde E. Markowitz do research?
Dmand AI links 27 publications to Dr. Markowitz, published from 2010 to 2025. Dr. Markowitz has worked on 1 clinical trial.
Who does Dr. Clyde E. Markowitz publish with?
Dr. Markowitz's most frequent co-authors are Erica Berlin Baller (5 shared papers), Joseph Rossi Berger, MD (5 shared papers) and Theodore D. Satterthwaite, MD (5 shared papers).
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