NPPES file of Aug 9, 2026

Lawrence Michael Markman, MD

Family Medicine Physician · Wilmington, DE

Lawrence Michael Markman, MD is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1154313179, issued on Aug 16, 2005. Check the license (Delaware C10001808, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; 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
1154313179
Name
Lawrence Michael Markman
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
C10001808 DE
C1-0001808 DE
25MA06191500 NJ
MD057869L PA
Self-reported in NPPES; status is on the state search
Practice location
202 Woodstream LN, Wilmington, DE 19803
Phone
(302) 598-5650
Enumerated
Aug 16, 2005
Record last updated
Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080819000743); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 1978
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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Verify Lawrence Michael Markman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C10001808
    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 Delaware license search

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91% fewer Medicare Part D claims than the average family medicine physician in 2024

328 Medicare Part D claims for 243 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Lawrence Markman328
  2. Specialty average3,544

Most prescribed

  1. Amoxicillin46 claims
  2. Amoxicillin-Clavulanate Potass29 claims
  3. Eliquis28 claims
  4. Nitrofurantoin Mono-Macro23 claims
  5. Cefdinir16 claims
  6. Azithromycin14 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.

Bills Medicare through 2 group practices

  1. Christiana Care Quality PartnersNewark, DE
  2. St Francis Hospital IncWilmington, DE

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

Lawrence Michael Markman among 518 family medicine physician records in Delaware

Lawrence Michael Markman, MD is one of 518 family medicine physician records with a practice address in Delaware. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1978 · median 2002 among the 323 with a school on file
  • Record last updated2018 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

163 family medicine physician records list a practice address in Wilmington

They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.

The 8 family medicine physician records with the nearest ZIP codes

  1. David Bercaw, MDWilmington, DE 198031205814241
  2. Heather Bittner-Fagan, MDWilmington, DE 198031013995059
  3. David Estock, M.D.Wilmington, DE 198031275533135
  4. Lisa Maxwell, MDWilmington, DE 198031316978786
  5. M Metzger, M.D.Wilmington, DE 198031275564957
  6. Matthew O'Brien, M.D.Wilmington, DE 198031417996935
  7. James Salva, M.D.Wilmington, DE 198031538104856
  8. Cathryn Savoca, MDWilmington, DE 198031528033727

Common questions

What is Lawrence Michael Markman, MD's NPI number?

Lawrence Michael Markman, MD's National Provider Identifier (NPI) is 1154313179, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lawrence Michael Markman, MD located?

The NPPES record lists a practice address at 202 Woodstream LN, Wilmington, DE, 19803. Phone: (302) 598-5650. Providers update this record themselves, so call before visiting.

How can I verify Lawrence Michael Markman, MD's license?

NPPES lists Delaware license number C10001808, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Lawrence Michael Markman, MD prescribe under Medicare Part D?

In 2024, Lawrence Michael Markman, MD had 328 Medicare Part D claims for 243 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

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.