Gregory Clark Swistak, D.C.
Chiropractor · Gaithersburg, MD
Gregory Clark Swistak, D.C. is a chiropractor with a practice address in Gaithersburg, Maryland, and NPI 1619052735, issued on Oct 26, 2006. Check the license (Maryland S01873, 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
- Gregory Clark Swistak
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- S01873 MD
Self-reported in NPPES; status is on the state search - Practice location
- 60 Market St, Gaithersburg, MD 20878
- Phone
- (301) 963-8333
- Enumerated
- Oct 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 963-9330
- Medicare enrollment
- Enrolled (PECOS I20050122000142); accepts Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 1997
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 881 in Maryland → Look up another NPI →
Also registered at 60 Market St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Duvall, DPTPhysical Therapist1811029796
- Chitra Ghafari, DDSGeneral Practice Dentistry1437303450
- Allison Haynes, DPTPhysical Therapist1861776056
- Kathleen LoughreyRegistered Dietitian1851643480
- Carlyanne Rohde, PSYDClinical Psychologist1083917686
- Jonathan Sherman, DPMFoot & Ankle Surgery Podiatrist1205012754
Verify Gregory Clark Swistak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license S01873Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Clark Swistak among 881 chiropractor records in Maryland
Gregory Clark Swistak, D.C. is one of 881 chiropractor records with a practice address in Maryland. 21% 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileNo · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated1997 · median 2001 among the 391 with a school on file
- Record last updated2007 · 73% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 chiropractor records list a practice address in Gaithersburg
They are 23 of the 2,580 NPPES records with a practice address in Gaithersburg, and 881 chiropractor records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 881 in Maryland → Every provider in Gaithersburg → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Edward Kosenski, D.C.Gaithersburg, MD 208781750426292
- Robert Moses, D.C.Gaithersburg, MD 208781407919947
- Spiros Theodore, D.C. PCGaithersburg, MD 208781457358855
- Jinho Ahn, D.C.Gaithersburg, MD 208771407168537
- Andrew Choi, D.C.Gaithersburg, MD 208791770663544
- Jung Eun Choi, DCGaithersburg, MD 208771417246463
- Jonathan Davis, D.C.Gaithersburg, MD 208771154351609
- Karen Diblasio, D.C.Gaithersburg, MD 208771588967251
Common questions
What is Gregory Clark Swistak, D.C.'s NPI number?
Gregory Clark Swistak, D.C.'s National Provider Identifier (NPI) is 1619052735, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Clark Swistak, D.C. located?
The NPPES record lists a practice address at 60 Market St, Gaithersburg, MD, 20878. Phone: (301) 963-8333. Providers update this record themselves, so call before visiting.
How can I verify Gregory Clark Swistak, D.C.'s license?
NPPES lists Maryland license number S01873, 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.