Mark M. Applefeld, MD
Cardiovascular Disease Physician · Baltimore, MD
Mark M. Applefeld, MD is a cardiovascular disease physician with a practice address in Baltimore, Maryland, and NPI 1124060215, issued on Jun 12, 2006. Check the license (Maryland D0002512, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark M. Applefeld
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- D0002512 MD
Self-reported in NPPES; status is on the state search - Practice location
- 301 Saint Paul PL, Baltimore, MD 21202
- Phone
- (410) 332-9752
- Enumerated
- Jun 12, 2006
- Record last updated
- Feb 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (410) 332-0626
- Medicaid ID
- 340101400 MD
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 613 in Maryland → Look up another NPI →
Also registered at 301 Saint Paul PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark M. Applefeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0002512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $50.91
2 payments; by number, the most common kind was food and beverage; the largest payer was Cook Medical LLC. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Mark M. Applefeld among 613 cardiovascular disease physician records in Maryland
Mark M. Applefeld, MD is one of 613 cardiovascular disease physician records with a practice address in Maryland. 76% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 36% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2014 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Maryland
There are 613 cardiovascular disease physician records in Maryland.
All 613 in Maryland → Every provider in Baltimore → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Tomas Ayala, MDBaltimore, MD 212021639108145
- Emerson Walden, M.D.Baltimore, MD 212021740259506
- Robert ZawodnyBaltimore, MD 212021588601140
- Brian Barr, MDBaltimore, MD 212011306007398
- Steven Fisher, MDBaltimore, MD 212011801815618
- Susie Hong-Zohlman, M.D.Baltimore, MD 212011134326754
- Zulqarnain Khan, MDBaltimore, MD 212011215434147
- Oneib Khan, MDBaltimore, MD 212011912404054
Common questions
What is Mark M. Applefeld, MD's NPI number?
Mark M. Applefeld, MD's National Provider Identifier (NPI) is 1124060215, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark M. Applefeld, MD located?
The NPPES record lists a practice address at 301 Saint Paul PL, Baltimore, MD, 21202. Phone: (410) 332-9752. Providers update this record themselves, so call before visiting.
How can I verify Mark M. Applefeld, MD's license?
NPPES lists Maryland license number D0002512, 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.
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.