NPPES file of Aug 9, 2026

Dimitri D. Markov, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician · Philadelphia, PA

Dimitri D. Markov, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1235143223, issued on Jul 28, 2006. Check the license (Pennsylvania MD420226, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235143223
Name
Dimitri D. Markov
Credential
M.D.
Primary taxonomy
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
License number
MD420226 PA
Self-reported in NPPES; status is on the state search
Practice location
211 S 9TH St, Philadelphia, PA 19107
Phone
(215) 955-6175
Enumerated
Jul 28, 2006
Record last updated
Jul 12, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(215) 955-9783
Medicaid ID
0019717210002 PA
Medicare enrollment
Enrolled (PECOS I20050106000633); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1999
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest sleep medicine (psychiatry & neurology) physician records → All 24 in Pennsylvania → Look up another NPI →

Also registered at 211 S 9TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Intekhab Ahmed, M.D.Endocrinology, Diabetes & Metabolism Physician1760406961
  2. Kenneth Barmach, M.D.Internal Medicine Physician1457399313
  3. Lisa Coco, N.P.Nurse Practitioner1841203726
  4. Lillian Cohn, M.D.Internal Medicine Physician1538160825
  5. Monica Crawford, R.D., L.D.N., C.S.O.Registered Dietitian1881048346
  6. Allan Crimm, M.D.Internal Medicine Physician1720089170

Verify Dimitri D. Markov in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD420226    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

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42% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024

378 Medicare Part D claims for 63 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Dimitri Markov378
  2. Specialty average655

Most prescribed

  1. Clonazepam74 claims
  2. Modafinil58 claims
  3. Doxepin Hcl32 claims
  4. Zolpidem Tartrate26 claims
  5. Mirtazapine19 claims
  6. Fluticasone Propionate18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $7.37

1 payment: food and beverage; the largest payer was Harmony Biosciences Llc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dimitri Markov$7.37
  2. Specialty average$5,572.43

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Jefferson University PhysiciansPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Dimitri D. Markov among 24 sleep medicine (psychiatry & neurology) physician records in Pennsylvania

Dimitri D. Markov, M.D. is one of 24 sleep medicine (psychiatry & neurology) physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 58% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1999 · median 2001 among the 17 with a school on file
  • Record last updated2016 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Psychiatry & Neurology) Physician providers in Pennsylvania

There are 24 sleep medicine (psychiatry & neurology) physician records in Pennsylvania.

All 24 in Pennsylvania → Every provider in Philadelphia → Sleep Medicine (Psychiatry & Neurology) Physician nationwide →

The 8 sleep medicine (psychiatry & neurology) physician records with the nearest ZIP codes

  1. Karl Doghramji, MDPhiladelphia, PA 191071336229459
  2. Zhikui WeiPhiladelphia, PA 191071215350160
  3. Subhajit Chakravorty, MDPhiladelphia, PA 191041699927574
  4. James Findley, PHDPhiladelphia, PA 191041972554327
  5. Miranda Lim, MDPhiladelphia, PA 191041003911165
  6. David Raizen, MDPhiladelphia, PA 191041891717146
  7. John Balaicuis, M.D.Philadelphia, PA 191181407063456
  8. Joyce Zinsenheim, MDGladwyne, PA 190351417221680

Common questions

What is Dimitri D. Markov, M.D.'s NPI number?

Dimitri D. Markov, M.D.'s National Provider Identifier (NPI) is 1235143223, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dimitri D. Markov, M.D. located?

The NPPES record lists a practice address at 211 S 9TH St, Philadelphia, PA, 19107. Phone: (215) 955-6175. Providers update this record themselves, so call before visiting.

How can I verify Dimitri D. Markov, M.D.'s license?

NPPES lists Pennsylvania license number MD420226, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dimitri D. Markov, M.D. prescribe under Medicare Part D?

In 2024, Dimitri D. Markov, M.D. had 378 Medicare Part D claims for 63 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.