Mark Ross Koch, DDS
Dentist · Pasadena, MD
Mark Ross Koch, DDS is a dentist with a practice address in Pasadena, Maryland, and NPI 1376948372, issued on Nov 3, 2014. Check the license (Maryland 5985, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark Ross Koch
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 5985 MD
Self-reported in NPPES; status is on the state search - Practice location
- 521 Edgewater RD, Pasadena, MD 21122
- Phone
- (410) 255-7471
- Enumerated
- Nov 3, 2014
- Record last updated
- May 1, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,870 in Maryland → Look up another NPI →
Verify Mark Ross Koch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 5985Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Ross Koch among 1,870 dentist records in Maryland
Mark Ross Koch, DDS is one of 1,870 dentist records with a practice address in Maryland. 60% 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 2014, is newer than 64% of them.
- NPI issued2014 · 64% of these records are older, 33% newer
- In a Medicare fileNo · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 dentist records list a practice address in Pasadena
They are 8 of the 537 NPPES records with a practice address in Pasadena, and 1,870 dentist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,870 in Maryland → Every provider in Pasadena → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Gary Barker, DMDPasadena, MD 211221780709071
- Julio Bermudez, DMDPasadena, MD 211221346971058
- John Gierlach, BDSPasadena, MD 211221215333851
- Howard Katz, D.D.S.Pasadena, MD 211221306057880
- Antonio Knox, D.D.S.Pasadena, MD 211221316198567
- Bina Peterson, DDSPasadena, MD 211221710195763
- Ian Shuman, DDSPasadena, MD 211221164534764
- Duane Anglin, DDSOwings Mills, MD 211171083955611
Common questions
What is Mark Ross Koch, DDS's NPI number?
Mark Ross Koch, DDS's National Provider Identifier (NPI) is 1376948372, issued on Nov 3, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ross Koch, DDS located?
The NPPES record lists a practice address at 521 Edgewater RD, Pasadena, MD, 21122. Phone: (410) 255-7471. Providers update this record themselves, so call before visiting.
How can I verify Mark Ross Koch, DDS's license?
NPPES lists Maryland license number 5985, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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. 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.