Dr. Clyde E. Markowitz, MD

  • Philadelphia, PA
  • Neurologist
NPI1417981135PAC ID3274669940
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
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Mobile number
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Social profiles

Primary practice

Perelman Center For Advanced Medicine

Multi-specialty group site · Philadelphia, Pennsylvania

See all 5 affiliations

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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 and contact details
Medicare PAC ID
3274669940
NPI enumeration date
July 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(215) 615-4949
Professional email
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Personal email
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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 Medicine
    3400 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.

See all 5 affiliations for Dr. Markowitz

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.

EHR by site
SiteEHR vendor and product
Perelman Center For Advanced MedicineAvailable with a free account
+3 more affiliated sitesAvailable 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, PennsylvaniaPrimaryLicense MD066765L · taxonomy 2084N0400X

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.

Medicare services, 2024587
Medicare patients248
Paid by Medicare$30,224
Procedure codes5

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.

See all procedures by Dr. Markowitz

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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.

Medicare patients, 2024248
Average age68
Average risk score1.31
Also on Medicaid10%

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

  1. High cholesterol69%
  2. High blood pressure54%
  3. Arthritis43%
  4. Mood disorders31%
  5. Anxiety30%
  6. Depression27%
  7. Osteoporosis25%
  8. 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.

Part D claims, 20241,227
Drugs named by CMS21
Total drug cost$4.5M
Part D patients156

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.

See all prescribing by Dr. Markowitz

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.

Papers27
Years published2010 to 2025

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

Recent publications by Dr. Markowitz

See all 27 publications and co-authors

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.

How network discovery works

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

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

$469.5Kin total
  • 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.

See all payments to Dr. Markowitz

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.

  1. Medical schoolColumbia University College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Dr. Clyde E. Markowitz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Clyde E. Markowitz

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. 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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