John Grassam, D.C.
Chiropractor · Port St Lucie, FL
John Grassam, D.C. is a chiropractor with a practice address in Port St Lucie, Florida, and NPI 1821293440, issued on Jun 15, 2007. Check the license (Florida CH7964, as entered in NPPES) on the Florida health license search; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Grassam
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- CH7964 FL
Self-reported in NPPES; status is on the state search - Practice location
- 555 NW Lake Whitney PL Ste 105, Port St Lucie, FL 34986
- Phone
- (772) 237-2080
- Enumerated
- Jun 15, 2007
- Record last updated
- Dec 1, 2022
- Fax
- (772) 237-2086
- Medicare enrollment
- Enrolled (PECOS I20120118000739); accepts Medicare assignment
- Medical or professional school
- Life Chiropractic College, 1998
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 6,967 in Florida → Look up another NPI →
Verify John Grassam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license CH7964Check 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 Grassam among 6,967 chiropractor records in Florida
John Grassam, D.C. is one of 6,967 chiropractor records with a practice address in Florida. 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 29% of them.
- NPI issued2007 · 29% of these records are older, 57% newer
- In a Medicare fileNo · 16% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated1998 · median 2007 among the 2,252 with a school on file
- Record last updated2022 · 65% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 chiropractor records list a practice address in Port St Lucie
They are 62 of the 2,403 NPPES records with a practice address in Port St Lucie, and 6,967 chiropractor records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,967 in Florida → Every provider in Port St Lucie → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Sheffield Abood, D.C.Port St Lucie, FL 349861083739445
- Michael Bairey, D.C.Port St Lucie, FL 349861336224088
- Roger Bell, D.C.Port St Lucie, FL 349861740551001
- Clifton Cox, D.C.Port St Lucie, FL 349861962802652
- Timothy Kennedy, DCPort St Lucie, FL 349861750787586
- Kenneth Labarge, DCPort St Lucie, FL 349861972558013
- William Neeld, D.C.Port St Lucie, FL 349861033365754
- Matthew Petrovic, D.C.Port St Lucie, FL 349861922238492
Common questions
What is John Grassam, D.C.'s NPI number?
John Grassam, D.C.'s National Provider Identifier (NPI) is 1821293440, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Grassam, D.C. located?
The NPPES record lists a practice address at 555 NW Lake Whitney PL Ste 105, Port St Lucie, FL, 34986. Phone: (772) 237-2080. Providers update this record themselves, so call before visiting.
How can I verify John Grassam, D.C.'s license?
NPPES lists Florida license number CH7964, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. 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.