Jason Alan Flassing, PA-C
Physician Assistant · Greer, SC
Jason Alan Flassing, PA-C is a physician assistant with a practice address in Greer, South Carolina, and NPI 1912145970, issued on Jan 29, 2009. Check the license (South Carolina 1901, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason Alan Flassing
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 1901 SC
0110002948 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2700 E Phillips RD, Greer, SC 29650
- Phone
- (864) 235-2335
- Enumerated
- Jan 29, 2009
- Record last updated
- Feb 18, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,294 in South Carolina → Look up another NPI →
Also registered at 2700 E Phillips RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Alan Flassing 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 1901Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average physician assistant in 2024
2,594 Medicare Part D claims for 94 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Clonazepam318 claims
- Alprazolam235 claims
- Trazodone Hcl162 claims
- Dextroamphetamine-Amphetamine134 claims
- Duloxetine Hcl109 claims
- Desvenlafaxine Succinate Er95 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.
Industry payments in 2024: $1,528.84
11 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jason Alan Flassing among 2,294 physician assistant records in South Carolina
Jason Alan Flassing, PA-C is one of 2,294 physician assistant records with a practice address in South Carolina. 81% 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 21% of them.
- NPI issued2009 · 21% of these records are older, 77% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2014 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 physician assistant records list a practice address in Greer
They are 34 of the 1,131 NPPES records with a practice address in Greer, and 2,294 physician assistant records in South Carolina.
All 2,294 in South Carolina → Every provider in Greer → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Rodd Casper, PA CGreer, SC 296501760467971
- Loren Cragle, PA-CGreer, SC 296501538406491
- Andrew Donnan, PACGreer, SC 296501710077946
- Lauren Gore, PA-CGreer, SC 296501184134272
- Erin Herendeen, P.A.Greer, SC 296501588991574
- Helen McKinney, PA-CGreer, SC 296501295236438
- Andrew Miles, P.A.Greer, SC 296501932558996
- Kimberly Moon, PA-CGreer, SC 296501194892273
Common questions
What is Jason Alan Flassing, PA-C's NPI number?
Jason Alan Flassing, PA-C's National Provider Identifier (NPI) is 1912145970, issued on Jan 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jason Alan Flassing, PA-C located?
The NPPES record lists a practice address at 2700 E Phillips RD, Greer, SC, 29650. Phone: (864) 235-2335. Providers update this record themselves, so call before visiting.
How can I verify Jason Alan Flassing, PA-C's license?
NPPES lists South Carolina license number 1901, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Jason Alan Flassing, PA-C prescribe under Medicare Part D?
In 2024, Jason Alan Flassing, PA-C had 2,594 Medicare Part D claims for 94 beneficiaries; the average among physician assistant prescribers was 830. 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.