John Nicholas Casto, MD
Family Medicine Physician · Cumberland, MD
John Nicholas Casto, MD is a family medicine physician with a practice address in Cumberland, Maryland, and NPI 1437288651, issued on Mar 5, 2007. Check the license (Maryland D0024550, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Nicholas Casto
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0024550 MD
Self-reported in NPPES; status is on the state search - Practice location
- 915 Bishop Walsh RD, Cumberland, MD 21502
- Phone
- (301) 759-9355
- Enumerated
- Mar 5, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 724-4791
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 915 Bishop Walsh RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Nicholas Casto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0024550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Nicholas Casto among 1,912 family medicine physician records in Maryland
John Nicholas Casto, MD 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 not. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 42% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 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).
24 family medicine physician records list a practice address in Cumberland
They are 24 of the 1,070 NPPES records with a practice address in Cumberland, and 1,912 family medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,912 in Maryland → Every provider in Cumberland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jerry Adams, M.D.Lavale, MD 215021710088265
- Raymond Banfer, MDCumberland, MD 215021093714057
- Gregory Beyer, M.D.Cumberland, MD 215021740381201
- Anthony Bollino, M.D.Lavale, MD 215021528060928
- Linwood Briggs, M.D.Cumberland, MD 215021548351992
- Reed Erickson, M.D.Cumberland, MD 215021629169818
- Allison Evans-Wood, D.O.Cumberland, MD 215021841298809
- Michele Kennedy, DOCumberland, MD 215021275600504
Common questions
What is John Nicholas Casto, MD's NPI number?
John Nicholas Casto, MD's National Provider Identifier (NPI) is 1437288651, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Nicholas Casto, MD located?
The NPPES record lists a practice address at 915 Bishop Walsh RD, Cumberland, MD, 21502. Phone: (301) 759-9355. Providers update this record themselves, so call before visiting.
How can I verify John Nicholas Casto, MD's license?
NPPES lists Maryland license number D0024550, 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. 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.