NPPES file of Aug 9, 2026

Mariah Whitney Cassum, PA-C

Physician Assistant · Hendersonville, NC

Mariah Whitney Cassum, PA-C is a physician assistant with a practice address in Hendersonville, North Carolina, and NPI 1891282331, issued on Apr 19, 2018. Check the license (North Carolina 0010-09354, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1891282331
Name
Mariah Whitney Cassum
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
0010-09354 NC
P.A.0005308 CO
Self-reported in NPPES; status is on the state search
Practice location
709 N Justice St Ste B, Hendersonville, NC 28791
Phone
(828) 692-4289
Enumerated
Apr 19, 2018
Record last updated
Oct 17, 2024
Fax
(828) 696-1794
Medicare enrollment
Enrolled (PECOS I20200218003129); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2018
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 709 N Justice St Ste B

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

  1. Margaret Baer, LCSWClinical Social Worker1912996240
  2. Louisa Boswell, MDStudent in an Organized Health Care Education/Training Program1487458717
  3. Jiyun Chang, MD, MBAFamily Medicine Physician1689376774
  4. Susan Chesna, LMFT, LCAS-AMarriage & Family Therapist1760984850
  5. Louisa Conroy, M.D.Family Medicine Physician1184063083
  6. Christel Cooper, LCSW-AClinical Social Worker1205648995

Verify Mariah Whitney Cassum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
    Search for license 0010-09354
    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
Find the North 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.

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2.5 times the Medicare Part D claims of the average physician assistant in 2024

2,066 Medicare Part D claims for 137 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 26 claims were for opioids.

  1. Mariah Cassum2,066
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium159 claims
  2. Omeprazole90 claims
  3. Amlodipine Besylate84 claims
  4. Losartan Potassium77 claims
  5. Levothyroxine Sodium73 claims
  6. Trazodone Hcl69 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 one group practice

  1. Blue Ridge Community Health Services, Inc.Hendersonville, NC

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

Mariah Whitney Cassum among 9,279 physician assistant records in North Carolina

Mariah Whitney Cassum, PA-C is one of 9,279 physician assistant records with a practice address in North Carolina. 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 2018, is newer than 57% of them.

  • NPI issued2018 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2018 · median 2017 among the 6,366 with a school on file
  • Record last updated2024 · 35% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

89 physician assistant records list a practice address in Hendersonville

They are 89 of the 1,658 NPPES records with a practice address in Hendersonville, and 9,279 physician assistant records in North Carolina.

The 8 physician assistant records with the nearest ZIP codes

  1. Timothy Calcagni, PA-CHendersonville, NC 287911982075776
  2. Shann Davis, PA-CHendersonville, NC 287911841313632
  3. Roy Dodd, PA-CHendersonville, NC 287911316323389
  4. Lauren Eastridge, PA-CHendersonville, NC 287911528307097
  5. Cinda Fischer, PAHendersonville, NC 287911104155233
  6. Mark Jackson, PAHendersonville, NC 287911275536013
  7. Benjamin Kegan, PA-CHendersonville, NC 287911376931139
  8. James Lee, PAHendersonville, NC 287911295712073

Common questions

What is Mariah Whitney Cassum, PA-C's NPI number?

Mariah Whitney Cassum, PA-C's National Provider Identifier (NPI) is 1891282331, issued on Apr 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mariah Whitney Cassum, PA-C located?

The NPPES record lists a practice address at 709 N Justice St Ste B, Hendersonville, NC, 28791. Phone: (828) 692-4289. Providers update this record themselves, so call before visiting.

How can I verify Mariah Whitney Cassum, PA-C's license?

NPPES lists North Carolina license number 0010-09354, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Mariah Whitney Cassum, PA-C prescribe under Medicare Part D?

In 2024, Mariah Whitney Cassum, PA-C had 2,066 Medicare Part D claims for 137 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.