Jason Flassing, PA-C
NPI 1912145970 · Physician Assistant · Greer, SC
Jason Flassing, PA-C is a Physician Assistant provider in Greer, SC (NPI 1912145970).
Provider details
- NPI number
- 1912145970
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 0110002948 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
17 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 318 | 37 |
| Alprazolam | 235 | 26 |
| Trazodone Hcl | 162 | 27 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 134 | 16 |
| Duloxetine Hcl | 109 | 15 |
| Lorazepam | 95 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,529 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-01-29
- Last updated
- 2014-02-18
Frequently asked questions
- What is Jason Flassing's NPI number?
- Jason Flassing's National Provider Identifier (NPI) is 1912145970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Flassing's specialty?
- Jason Flassing is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jason Flassing located?
- Jason Flassing's practice location on file with NPPES is 2700 E Phillips Rd, Greer, SC 29650-4815.
- What is Jason Flassing's phone number?
- The practice phone number listed in the NPPES registry for Jason Flassing is (864) 235-2335.
- Is Jason Flassing's NPI active?
- Yes — Jason Flassing's NPI (1912145970) is active in the NPPES registry as of the last update on 2014-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.