Mark David Fersch, DO
Family Medicine Physician · Lutherville Timonium, MD
Mark David Fersch, DO is a family medicine physician with a practice address in Lutherville Timonium, Maryland, and NPI 1104445030, issued on Apr 10, 2020. Check the license (Maryland D0100636, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark David Fersch
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0100636 MD
Self-reported in NPPES; status is on the state search - Practice location
- 63 E Padonia RD Ste 100, Lutherville Timonium, MD 21093
- Phone
- (443) 589-5252
- Enumerated
- Apr 10, 2020
- Record last updated
- Jun 27, 2024
- Medicare enrollment
- Enrolled (PECOS I20240819000481); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Verify Mark David Fersch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0100636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
243 Medicare Part D claims for 121 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Atorvastatin Calcium11 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: $46.36
2 payments; by number, the most common kind was food and beverage; the largest payer was Phadia US Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Greater Baltimore Medical Center IncTimonium, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark David Fersch among 1,912 family medicine physician records in Maryland
Mark David Fersch, DO is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2004 among the 1,141 with a school on file
- Record last updated2024 · 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 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Lutherville Timonium
They are 4 of the 207 NPPES records with a practice address in Lutherville Timonium, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Lutherville Timonium → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wayne Bonlie, M.D.Timonium, MD 210931093770042
- Candace Chandler, M.D.Lutherville, MD 210931407857022
- Daniel Collector, M.D.Timonium, MD 210931255341475
- Albert Digerolamo, M.D.Timonium, MD 210931427069871
- Trina Frankel, D.O.Lutherville, MD 210931265483473
- Tatyana Kushnir, M.D.Lutherville, MD 210931083666168
- Phillip Mac, MDLutherville, MD 210931831267244
- Karla Sanchez, M.D.Lutherville, MD 210931790892479
Common questions
What is Mark David Fersch, DO's NPI number?
Mark David Fersch, DO's National Provider Identifier (NPI) is 1104445030, issued on Apr 10, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mark David Fersch, DO located?
The NPPES record lists a practice address at 63 E Padonia RD Ste 100, Lutherville Timonium, MD, 21093. Phone: (443) 589-5252. Providers update this record themselves, so call before visiting.
How can I verify Mark David Fersch, DO's license?
NPPES lists Maryland license number D0100636, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark David Fersch, DO prescribe under Medicare Part D?
In 2024, Mark David Fersch, DO had 243 Medicare Part D claims for 121 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.