Registry data as of Aug 27, 2026

Jason Blasenak, DO

Emergency Medicine Physician · Greenville, SC

Jason Blasenak, DO is an emergency medicine physician with a practice address in Greenville, South Carolina, and NPI 1598785834, issued on Jul 20, 2006. Check the license (South Carolina 978, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598785834
Name
Jason Blasenak
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
978 SC
OS18227 FL
22902 MS
Self-reported in NPPES; status is on the state search
Practice location
701 Grove RD, Greenville, SC 29605
Phone
(864) 455-6372
Enumerated
Jul 20, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 701 Grove RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kira Adkins, PHARMDPharmacist1629704457
  2. Brandford Adobaw, MDStudent in an Organized Health Care Education/Training Program1871116178
  3. John AhlertSurgery Physician1841995446
  4. Virginia Alexander, M.D.Internal Medicine Physician1801123971
  5. Brian Allen, D.O.Internal Medicine Physician1184851495
  6. Dawn Allen, NNPCritical Care Neonatal Nurse Practitioner1164836227

Verify Jason Blasenak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 978
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

53% fewer Medicare Part D claims than the average emergency medicine physician in 2024

167 Medicare Part D claims for 103 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Jason Blasenak167
  2. Specialty average355

Most prescribed

  1. Methylprednisolone18 claims
  2. Cefdinir17 claims
  3. Tramadol Hcl17 claims
  4. Ondansetron Odt12 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.

The practice group's Medicare quality score for 2023: 87.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score67.0
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Acs Primary Care Physicians - Southeast PCToccoa, GA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

262 emergency medicine physician records list a Greenville practice address

They are 262 of the 10,264 NPPES records with a Greenville practice address, and 1,234 emergency medicine physician records in South Carolina.

Other emergency medicine physician records in South Carolina

  1. Jennifer Abrams, D.O.Elgin, SC1104899210
  2. Jennifer Adair, M.D.Summerville, SC1679600134
  3. Robert AdamsColumbia, SC1508397605
  4. Michael Adkins, M.D.Walterboro, SC1811992209
  5. Dalal Akoury, M.D.Myrtle Beach, SC1154350965
  6. Halley AlbertsColumbia, SC1407421662
  7. Judson Alderman, M.D.Greenville, SC1043667629
  8. Henrique Alencastro Puls, MDGreenville, SC1568969723
  9. James Alexander, MDGreenville, SC1124099270
  10. Paul Alexander, M.D.Dillon, SC1023014891

Common questions

What is Jason Blasenak, DO's NPI number?

Jason Blasenak, DO's National Provider Identifier (NPI) is 1598785834, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Blasenak, DO located?

The NPPES record lists a practice address at 701 Grove RD, Greenville, SC, 29605. Phone: (864) 455-6372. Providers update this record themselves, so call before visiting.

How can I verify Jason Blasenak, DO's license?

NPPES lists South Carolina license number 978, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jason Blasenak, DO prescribe under Medicare Part D?

In 2024, Jason Blasenak, DO had 167 Medicare Part D claims for 103 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

What is Jason Blasenak, DO's Medicare quality score?

The 2023 MIPS final score is 87.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.