Mark James Keenan, D.C.
Chiropractor · Pittsburgh, PA
Mark James Keenan, D.C. is a chiropractor with a practice address in Pittsburgh, Pennsylvania, and NPI 1871782193, issued on Oct 23, 2007. Check the license (Pennsylvania DC-006865-L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark James Keenan
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC-006865-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 239 4TH Ave Ste 1105, Pittsburgh, PA 15222
- Phone
- (412) 281-8283
- Enumerated
- Oct 23, 2007
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 3,934 in Pennsylvania → Look up another NPI →
Verify Mark James Keenan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license DC-006865-LCheck 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 James Keenan among 3,934 chiropractor records in Pennsylvania
Mark James Keenan, D.C. is one of 3,934 chiropractor records with a practice address in Pennsylvania. 16% 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 49% of them.
- NPI issued2007 · 49% of these records are older, 35% newer
- In a Medicare fileNo · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2018 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Chiropractor providers in Pennsylvania
There are 3,934 chiropractor records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,934 in Pennsylvania → Every provider in Pittsburgh → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Chad Baginski, DCPittsburgh, PA 152221073594842
- Kathryn Montgomery, D.C.Pittsburgh, PA 152221962480905
- Aaron Prinkey, DCPittsburgh, PA 152221235216391
- Jeffrey Schoeller, D.C.Pittsburgh, PA 152221427209774
- Wallace Shaffer, D.C.Pittsburgh, PA 152221134285729
- Greg Simunick, D.CPittsburgh, PA 152221023132164
- Amy Andrews, D.C.Pittsburgh, PA 152211437251105
- Julie Ann Caryl, D.C.Pittsburgh, PA 152211972704823
Common questions
What is Mark James Keenan, D.C.'s NPI number?
Mark James Keenan, D.C.'s National Provider Identifier (NPI) is 1871782193, issued on Oct 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark James Keenan, D.C. located?
The NPPES record lists a practice address at 239 4TH Ave Ste 1105, Pittsburgh, PA, 15222. Phone: (412) 281-8283. Providers update this record themselves, so call before visiting.
How can I verify Mark James Keenan, D.C.'s license?
NPPES lists Pennsylvania license number DC-006865-L, as entered by the provider. Search the Pennsylvania 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.