Viswaja Kaja, DO
Rheumatology Physician · Chapel Hill, NC
Viswaja Kaja, DO is a rheumatology physician with a practice address in Chapel Hill, North Carolina, and NPI 1407598378, issued on Apr 11, 2022. Check the license (North Carolina 2026-02984, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Viswaja Kaja
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 2026-02984 NC
Self-reported in NPPES; status is on the state search - Practice location
- 100 Eastowne Dr, Chapel Hill, NC 27514
- Phone
- (703) 371-2111
- Enumerated
- Apr 11, 2022
- Record last updated
- May 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20251007002574); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 234 in North Carolina → Look up another NPI →
Also registered at 100 Eastowne Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olivia AhearnStudent in an Organized Health Care Education/Training Program1548959893
- Katherine Allen, MDInternal Medicine Physician1225527856
- Astia AllenzaraRheumatology Physician1245728815
- Cassie Almond, MDStudent in an Organized Health Care Education/Training Program1619717501
- Bina Amin, MDStudent in an Organized Health Care Education/Training Program1598552713
- Kaitlyn Ancell, MDStudent in an Organized Health Care Education/Training Program1568259497
Verify Viswaja Kaja in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2026-02984Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average rheumatology physician in 2024
389 Medicare Part D claims for 59 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium30 claims
- Atorvastatin Calcium29 claims
- Clopidogrel18 claims
- Amlodipine Besylate16 claims
- Famotidine13 claims
- Levothyroxine Sodium12 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.
One hospital affiliation
- Lancaster General HospitalLancaster, PA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Viswaja Kaja among 234 rheumatology physician records in North Carolina
Viswaja Kaja, DO is one of 234 rheumatology physician records with a practice address in North Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than over 99% of them.
- NPI issued2022 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2022 · median 2005 among the 158 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in North Carolina
There are 234 rheumatology physician records in North Carolina.
All 234 in North Carolina → Every provider in Chapel Hill → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Astia AllenzaraChapel Hill, NC 275141245728815
- George Brothers, MDChapel Hill, NC 275141447292057
- Mary Farmer, M.D.Chapel Hill, NC 275141205048519
- Shannon HerndonChapel Hill, NC 275141316575715
- Prarthana Jain, DOChapel Hill, NC 275141497314538
- Saloni Patolia, MDChapel Hill, NC 275141285202275
- Lydwan Perez WesterbandChapel Hill, NC 275141598359770
- Aaron Smith, MDChapel Hill, NC 275141649856501
Common questions
What is Viswaja Kaja, DO's NPI number?
Viswaja Kaja, DO's National Provider Identifier (NPI) is 1407598378, issued on Apr 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Viswaja Kaja, DO located?
The NPPES record lists a practice address at 100 Eastowne Dr, Chapel Hill, NC, 27514. Phone: (703) 371-2111. Providers update this record themselves, so call before visiting.
How can I verify Viswaja Kaja, DO's license?
NPPES lists North Carolina license number 2026-02984, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Viswaja Kaja, DO prescribe under Medicare Part D?
In 2024, Viswaja Kaja, DO had 389 Medicare Part D claims for 59 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.