Jason Evan Casselman, D.O.
Allergy & Immunology (Internal Medicine) Physician · Richmond, IN
Jason Evan Casselman, D.O. is an allergy & immunology (internal medicine) physician with a practice address in Richmond, Indiana, and NPI 1538456462, issued on Jun 29, 2011. Check the license (Indiana 02004839A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Jason Evan Casselman
- Credential
- D.O.
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License numbers
- 02004839A IN
5101019322 MI
34.011409 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1434 Chester Blvd, Richmond, IN 47374
- Phone
- (765) 966-9600
- Enumerated
- Jun 29, 2011
- Record last updated
- May 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (765) 962-9641
- Medicaid IDs
- 0172513 OH
201359200 IN - Medicare enrollment
- Enrolled (PECOS I20150908002098); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2011
- Entity
- Type 1 · individual
6 nearest allergy & immunology (internal medicine) physician records → All 7 in Indiana → Look up another NPI →
Also registered at 1434 Chester Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rohit Bawa, MDOtolaryngology Physician1700888955
- Stacy Borden, AU.D., CCC-AAudiologist1871993485
- Kristy Carter, PA-CSurgical Physician Assistant1386881456
- Kristen Ewing, NP-CFamily Nurse Practitioner1811431786
- Sara Hanson, AU.D.Audiologist1629751946
- Thomas Jetmore, M.D.Otolaryngology Physician1104274463
Verify Jason Evan Casselman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02004839ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average allergy & immunology (internal medicine) physician in 2024
3,014 Medicare Part D claims for 408 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Azelastine Hcl365 claims
- Fluticasone Propionate316 claims
- Montelukast Sodium292 claims
- Trelegy Ellipta195 claims
- Pantoprazole Sodium173 claims
- Famotidine169 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.
Industry payments in 2024: $401.43
19 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 321 providers of this specialty with any payment received $7,456.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Reid Physician Associates IncRichmond, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Indiana
There are 7 allergy & immunology (internal medicine) physician records in Indiana.
All 7 in Indiana → Every provider in Richmond → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 6 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Diane Jordan-Wagner, M.D.Terre Haute, IN 478041013025097
- Douglas Neeld, MDFort Wayne, IN 468451780669374
- Robert Clausen, MDSouth Bend, IN 466171932198488
- Geoffrey Rogers, M.D.Elkhart, IN 465141265437255
- Joseph Gaddy, M.D.Indianapolis, IN 462191043339005
- William Baker, M.D.Indianapolis, IN 462021578529046
Common questions
What is Jason Evan Casselman, D.O.'s NPI number?
Jason Evan Casselman, D.O.'s National Provider Identifier (NPI) is 1538456462, issued on Jun 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jason Evan Casselman, D.O. located?
The NPPES record lists a practice address at 1434 Chester Blvd, Richmond, IN, 47374. Phone: (765) 966-9600. Providers update this record themselves, so call before visiting.
How can I verify Jason Evan Casselman, D.O.'s license?
NPPES lists Indiana license number 02004839A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jason Evan Casselman, D.O. prescribe under Medicare Part D?
In 2024, Jason Evan Casselman, D.O. had 3,014 Medicare Part D claims for 408 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.