Richard Preston Asher, PA-C
Physician Assistant · Knoxville, TN
Richard Preston Asher, PA-C is a physician assistant with a practice address in Knoxville, Tennessee, and NPI 1053847863, issued on May 11, 2017. Check the license (Tennessee 3233, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard Preston Asher
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 3233 TN
Self-reported in NPPES; status is on the state search - Practice location
- 9125 Cross Park Dr Ste 200, Knoxville, TN 37923
- Phone
- (865) 632-5900
- Enumerated
- May 11, 2017
- Record last updated
- Jul 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (865) 546-5227
- Medicaid ID
- Q030441 TN
- Medicare enrollment
- Enrolled (PECOS I20220922002346); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,055 in Tennessee → Look up another NPI →
Also registered at 9125 Cross Park Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard Preston Asher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 3233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average physician assistant in 2024
269 Medicare Part D claims for 56 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 34 claims were for opioids.
Most prescribed
- Metoprolol Tartrate42 claims
- Furosemide32 claims
- Potassium Chloride29 claims
- Atorvastatin Calcium28 claims
- Oxycodone Hcl26 claims
- Clopidogrel23 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.
Bills Medicare through 2 group practices
- East Tennessee Cardiovascular Surgery Group PCKnoxville, TN
- North Iowa Mercy ClinicsMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Preston Asher among 3,055 physician assistant records in Tennessee
Richard Preston Asher, PA-C is one of 3,055 physician assistant records with a practice address in Tennessee. 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 2017, is newer than 42% of them.
- NPI issued2017 · 42% of these records are older, 53% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2019 among the 2,030 with a school on file
- Record last updated2020 · 30% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
399 physician assistant records list a practice address in Knoxville
They are 399 of the 14,339 NPPES records with a practice address in Knoxville, and 3,055 physician assistant records in Tennessee.
All 3,055 in Tennessee → Every provider in Knoxville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Lorie Bateman, PA-CKnoxville, TN 379231982734117
- Walter Blankenship, P.A.Knoxville, TN 379231528008547
- Lauree Cameron, PAKnoxville, TN 379231487807384
- Keri Fisher, PA-CKnoxville, TN 379231508856931
- Ashley Greene, PA-CKnoxville, TN 379231811916612
- Joshua Hawkins, PA-CKnoxville, TN 379231942532460
- Krista Hodges, PA CKnoxville, TN 379231457434227
- Casey Johnson, PA-CKnoxville, TN 379231093054033
Common questions
What is Richard Preston Asher, PA-C's NPI number?
Richard Preston Asher, PA-C's National Provider Identifier (NPI) is 1053847863, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Richard Preston Asher, PA-C located?
The NPPES record lists a practice address at 9125 Cross Park Dr Ste 200, Knoxville, TN, 37923. Phone: (865) 632-5900. Providers update this record themselves, so call before visiting.
How can I verify Richard Preston Asher, PA-C's license?
NPPES lists Tennessee license number 3233, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Richard Preston Asher, PA-C prescribe under Medicare Part D?
In 2024, Richard Preston Asher, PA-C had 269 Medicare Part D claims for 56 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.