NPPES file of Aug 9, 2026

Jon Stephen Ashley, MD

Emergency Medical Services (Emergency Medicine) Physician · Greenwood, MS

Jon Stephen Ashley, MD is an emergency medical services (emergency medicine) physician with a practice address in Greenwood, Mississippi, and NPI 1104900968, issued on Oct 25, 2006. Check the license (Mississippi 12084, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104900968
Name
Jon Stephen Ashley
Credential
MD
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
12084 MS
Self-reported in NPPES; status is on the state search
Practice location
1401 River RD, Greenwood, MS 38930
Phone
(662) 459-2613
Enumerated
Oct 25, 2006
Record last updated
Feb 23, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(662) 459-1159
Medicaid ID
000121529 MS
Medicare enrollment
Enrolled (PECOS I20101011000135); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1401 River RD

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

  1. Sara Bell, MDInternal Medicine Physician1871939652
  2. Joyce Bradshaw, MDAnatomic Pathology & Clinical Pathology Physician1073661344
  3. Joseph Brown, CRNACertified Registered Nurse Anesthetist1528222122
  4. Tammie Brown, FNP-CNurse Practitioner1902362734
  5. Marcella Collins, MSN, FNP-CFamily Nurse Practitioner1639978380
  6. Tammarin Collins, FNP-BCFamily Nurse Practitioner1184129306

Verify Jon Stephen Ashley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 12084
    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 Mississippi 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.

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30% more Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

379 Medicare Part D claims for 248 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 41 claims were for opioids.

  1. Jon Ashley379
  2. Specialty average292

Most prescribed

  1. Prednisone43 claims
  2. Diclofenac Sodium37 claims
  3. Sulfamethoxazole-Trimethoprim29 claims
  4. Cyclobenzaprine Hcl26 claims
  5. Tramadol Hcl20 claims
  6. Ondansetron Odt19 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 MIPS final score for 2023 (Medicare payment program): 100 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 score100.0
  2. Costout of 100 · 30%93.3
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through one group practice

  1. Grenada Emergency Group, LLCLexington, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jon Stephen Ashley among 31 emergency medical services (emergency medicine) physician records in Mississippi

Jon Stephen Ashley, MD is one of 31 emergency medical services (emergency medicine) physician records with a practice address in Mississippi. 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 2006, is newer than 26% of them.

  • NPI issued2006 · 26% of these records are older, 29% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1983 · median 1998 among the 21 with a school on file
  • Record last updated2017 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medical Services (Emergency Medicine) Physician providers in Mississippi

There are 31 emergency medical services (emergency medicine) physician records in Mississippi.

The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes

  1. Amy Davis, MDCorinth, MS 388341184755308
  2. Paige Guia, MDCorinth, MS 388341932098191
  3. Brian McCoy, MDTupelo, MS 388011851338602
  4. Harvie Harrier, MDIndianola, MS 387511184614984
  5. Lisa Anderson, M.D.Madison, MS 391101699703389
  6. David Merideth, M.D.Ridgeland, MS 391571144344151
  7. John Brooks, M.D.Jackson, MS 392021023046711
  8. Phillip Nguyen, M.D.Jackson, MS 392021568408250

Common questions

What is Jon Stephen Ashley, MD's NPI number?

Jon Stephen Ashley, MD's National Provider Identifier (NPI) is 1104900968, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jon Stephen Ashley, MD located?

The NPPES record lists a practice address at 1401 River RD, Greenwood, MS, 38930. Phone: (662) 459-2613. Providers update this record themselves, so call before visiting.

How can I verify Jon Stephen Ashley, MD's license?

NPPES lists Mississippi license number 12084, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jon Stephen Ashley, MD prescribe under Medicare Part D?

In 2024, Jon Stephen Ashley, MD had 379 Medicare Part D claims for 248 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.

What is Jon Stephen Ashley, MD's MIPS final score?

The 2023 MIPS final score is 100 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), 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.