Jason Alan Flassing, PA-C
- Part D claims, 2024
- 2,594
- Hospital affiliations
- 1
- Industry payments
- $224
- State licenses
- 2
- Year NPI issued
- 2009
- Practice address
- 101 E Wood St, Spartanburg, SC 29303
- Practice phone
- Call (864) 560-6554
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jason Flassing's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Jason Alan Flassing is a physician assistant in Spartanburg, South Carolina
Jason Flassing practices at Spartanburg Medical Center in Spartanburg, South Carolina, part of Spartanburg Regional Healthcare System.
Jason Flassing's NPI, 1912145970, was assigned on January 29, 2009. Jason Flassing holds South Carolina license 1901.
- NPI
- 1912145970NPI Registry (opens in a new tab)
- NPI enumeration date
- January 29, 2009
- NPI status
- Active
- Practice phone
- (864) 560-6554
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Jason Alan Flassing practices at Spartanburg Medical Center in Spartanburg, South Carolina
Jason Flassing's primary practice is Spartanburg Medical Center, at 101 E Wood St, Spartanburg, SC 29303 in Spartanburg County. The practice phone is (864) 560-6554.
- Spartanburg Medical Center101 E Wood St, Spartanburg, SC 29303 · Spartanburg CountyPhone(864) 560-6554
Source: Dmand AI Affiliation Data
Jason Alan Flassing is affiliated with 1 site of care
Jason Flassing's primary practice is Spartanburg Medical Center in Spartanburg, South Carolina, part of Spartanburg Regional Healthcare System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jason Alan Flassing's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jason Flassing practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spartanburg Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Spartanburg Regional Healthcare System and 6.2K+ hospitals, with verified contacts in the same login.
Jason Alan Flassing is one of 1,888 physician assistants in South Carolina
Physician assistant is Jason Flassing's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Jason Flassing's licenses on file in 2 states: South Carolina and Virginia.
Specialties and state licenses
- Physician assistant, South CarolinaPrimary
- Virginia license
Physician assistants near Jason Flassing
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Jason Alan Flassing's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Jason Flassing's median patient age at 65, with 0% women.
Jason Flassing's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Jason Alan Flassing wrote 2,594 Medicare Part D claims in 2024
In 2024, Jason Flassing wrote 2,594 Medicare Part D claims for 94 patients. 98% of them were for generic drugs.
Jason Flassing's Part D claims by kind of drug, 2024
- Generic2,540 claims98%
- Brand-name54 claims2%
Drug classes CMS tracks in Jason Flassing's Part D claims, 2024
- Antipsychotics, patients 65 and over4%96 of 2,594 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Jason Alan Flassing received $224 in industry payments in 2025
CMS Open Payments shows 13 general payments to Jason Flassing from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $86.
Companies that paid Jason Flassing the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jason Alan Flassing's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Jason Alan Flassing
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jason Alan Flassing's NPI number?
Jason Alan Flassing's NPI number is 1912145970. It was assigned on January 29, 2009, and it is active in the NPI Registry.
What does Jason Alan Flassing specialize in?
Jason Alan Flassing is a physician assistant in Spartanburg, South Carolina. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jason Alan Flassing practice?
Jason Flassing practices at 101 E Wood St, Spartanburg, SC 29303. Jason Flassing's primary practice is Spartanburg Medical Center in Spartanburg, South Carolina, part of Spartanburg Regional Healthcare System.
What is Jason Alan Flassing's office phone number?
The practice phone on file for Jason Flassing is (864) 560-6554.
What is Jason Alan Flassing's medical license number?
Jason Flassing holds South Carolina license 1901, one of the licenses on file in 2 states.
Which states has Jason Alan Flassing been licensed in?
Dmand AI has state licenses on file for Jason Flassing in South Carolina and Virginia.
Which hospitals is Jason Alan Flassing affiliated with?
Jason Flassing practices at Spartanburg Medical Center in Spartanburg, South Carolina.
Has Jason Alan Flassing received payments from drug or device companies?
CMS Open Payments shows $224 in general payments to Jason Flassing from 7 companies from 2025 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Jason Alan Flassing been practicing?
Jason Flassing's NPI was assigned in 2009.
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