Jaya Parker, MD
Internal Medicine Physician · Washington, MO
Jaya Parker, MD is an internal medicine physician with a practice address in Washington, Missouri, and NPI 1013003664, issued on Oct 4, 2006. Check the license (Missouri 2001014711, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Jaya Parker
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2001014711 MO
Self-reported in NPPES; status is on the state search - Practice location
- 901 E 5TH St, Washington, MO 63090
- Phone
- (636) 239-8231
- Enumerated
- Oct 4, 2006
- Record last updated
- Jul 19, 2022
- Medicaid ID
- 205431000 MO
- Medicare enrollment
- Enrolled (PECOS I20031118000826); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 901 E 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suraj Kumar Alakkassery Kumaran, MDInternal Medicine Physician1568698306
- Lydia Archuleta, M.D.Internal Medicine Physician1205282639
- Fiona Aronberg, ACNPAcute Care Nurse Practitioner1396903506
- Sarah Becker, COTAOccupational Therapy Assistant1457563082
- Melissa Bedel, NPAcute Care Nurse Practitioner1326755505
- Rajasekhar Bhoda, M.DHospitalist Physician1144485798
Verify Jaya Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2001014711Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average internal medicine physician in 2024
728 Medicare Part D claims for 286 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Cefdinir51 claims
- Furosemide41 claims
- Prednisone35 claims
- Atorvastatin Calcium31 claims
- Doxycycline Hyclate26 claims
- Metoprolol Succinate26 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
- Mercy Clinic Adult Hospitalists - Washington, LLCWashington, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jaya Parker among 2,604 internal medicine physician records in Missouri
Jaya Parker, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1987 · median 2006 among the 1,443 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Washington
They are 25 of the 533 NPPES records with a practice address in Washington, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Washington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Suraj Kumar Alakkassery Kumaran, MDWashington, MO 630901568698306
- Bryce Ayers, M.D.Washington, MO 630901689610446
- Tim Baker, MDWashington, MO 630901760596134
- David Brunworth, MDWashington, MO 630901265546634
- Gary Dumontier, M.D.Washington, MO 630901437192481
- Sarah Dyson, MDWashington, MO 630901922020064
- Thomas Farrell, M.D.Washington, MO 630901952345969
- William Fritz, MDWashington, MO 630901407820913
Common questions
What is Jaya Parker, MD's NPI number?
Jaya Parker, MD's National Provider Identifier (NPI) is 1013003664, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jaya Parker, MD located?
The NPPES record lists a practice address at 901 E 5TH St, Washington, MO, 63090. Phone: (636) 239-8231. Providers update this record themselves, so call before visiting.
How can I verify Jaya Parker, MD's license?
NPPES lists Missouri license number 2001014711, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jaya Parker, MD prescribe under Medicare Part D?
In 2024, Jaya Parker, MD had 728 Medicare Part D claims for 286 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.