Gregory Alan Chambers, PA-C
Medical Physician Assistant · Columbia, SC
Gregory Alan Chambers, PA-C is a medical physician assistant with a practice address in Columbia, South Carolina, and NPI 1861625683, issued on Aug 27, 2009. Check the license (South Carolina 1811, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Alan Chambers
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License numbers
- 1811 SC
MA053992 PA
Self-reported in NPPES; status is on the state search - Practice location
- SC House Calls Inc, Columbia, SC 29203
- Phone
- (800) 491-0909
- Enumerated
- Aug 27, 2009
- Record last updated
- Oct 27, 2023
- Fax
- (843) 706-3350
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 493 in South Carolina → Look up another NPI →
Also registered at SC House Calls Inc
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Baby Ruth Alvarez, APRNNurse Practitioner1295216208
- Umeko Ash, APRNFamily Nurse Practitioner1316719461
- Brittany Bacot, APRNFamily Nurse Practitioner1285078147
- April Barnett, APRNFamily Nurse Practitioner1174238067
- Kathryn Billings, APRNFamily Nurse Practitioner1275097230
- Marc Birkmaier, APRNFamily Nurse Practitioner1205542198
Verify Gregory Alan Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 1811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average medical physician assistant in 2024
645 Medicare Part D claims for 158 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Trimethoprim222 claims
- Solifenacin Succinate127 claims
- Tamsulosin Hcl65 claims
- Cephalexin48 claims
- Oxybutynin Chloride Er36 claims
- Myrbetriq33 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Gregory Alan Chambers among 493 medical physician assistant records in South Carolina
Gregory Alan Chambers, PA-C is one of 493 medical physician assistant records with a practice address in South Carolina. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 38% of them.
- NPI issued2009 · 38% of these records are older, 58% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in South Carolina
There are 493 medical physician assistant records in South Carolina.
All 493 in South Carolina → Every provider in Columbia → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Megan Ackerson, PA-CColumbia, SC 292031942614607
- Tonna Coleman, P.A.Columbia, SC 292031720367170
- Douglas Dow, PA-CColumbia, SC 292031760636708
- Mykenzi Gibbs, PA-CColumbia, SC 292031053733394
- Katherine Grinton, P.A.-CColumbia, SC 292031831347343
- Susan Henderson, PA-CColumbia, SC 292031184753063
- Ashley Kinney, PA-CColumbia, SC 292031538417977
- Emily McKinney, PA-CColumbia, SC 292031730671355
Common questions
What is Gregory Alan Chambers, PA-C's NPI number?
Gregory Alan Chambers, PA-C's National Provider Identifier (NPI) is 1861625683, issued on Aug 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Alan Chambers, PA-C located?
The NPPES record lists a practice address at SC House Calls Inc, Columbia, SC, 29203. Phone: (800) 491-0909. Providers update this record themselves, so call before visiting.
How can I verify Gregory Alan Chambers, PA-C's license?
NPPES lists South Carolina license number 1811, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Alan Chambers, PA-C prescribe under Medicare Part D?
In 2024, Gregory Alan Chambers, PA-C had 645 Medicare Part D claims for 158 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.