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JAYADEV SAJJA MD
NPI 1194416107
Internal Medicine in Lake St Louis, MO

Active since May 19, 2023PECOS EnrolledAccepts Medicare Assignment
100 MEDICAL PLZ, LAKE ST LOUIS, MO 63367(636) 625-5297(636) 755-3881 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Jayadev Sajja Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAYADEV SAJJA MD (NPI 1194416107) is an individual internal medicine provider in Lake St Louis, Missouri, licensed in Missouri (2023018231) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1194416107
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJAYADEV SAJJACredential: MD
Location Address100 MEDICAL PLZLake St Louis, MO 63367-1366
Mailing Address100 Medical PlzLake St Louis, MO 63367-1366 · (636) 625-5297 · Fax (636) 755-3881
Phone(636) 625-5297
Fax(636) 755-3881
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 19, 2023
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
✔ NPI 1194416107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2023018231
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
100 MEDICAL PLZ, Lake St Louis, MO 63367
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jayadev Sajja Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749744530
PECOS Enrollment IDI20260713002509
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jayadev Sajja reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sound Physicians Of Illinois, LLC
19 mi
Hospitalist
12303 DE PAUL DR
Bridgeton, MO 63044
  • Reassigned Medicare billing, Missouri enrollment
  • 301 clinicians in this Medicare group
NPI 1043598865 (314) 344-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63367 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

VICTORIA LYNN HINES NP
Nurse Practitioner
100 MEDICAL PLZ
LAKE ST LOUIS, MO 63367
St. Charles County (636) 625-5200
LAKE FOREST EMERGENCY GROUP LLC
Emergency Medicine
100 MEDICAL PLZ
LAKE ST LOUIS, MO 63367
St. Charles County (636) 625-5200
EVE WEINDELL BARNOSKI LPTA
Physical Therapy Assistant
100 MEDICAL PLZ
LAKE SAINT LOUIS, MO 63367
St. Charles County (636) 485-7608
JOSHUA HARKLESS MD
Emergency Medicine
100 MEDICAL PLZ
LAKE ST LOUIS, MO 63367
St. Charles County (636) 625-5300
MELISSA COLLEEN HYNES MHS, CCC-SLP
Speech-Language Pathologist
100 MEDICAL PLZ
LAKE ST LOUIS, MO 63367
St. Charles County (636) 755-3997
AKIKO OKABE AGACNP
Nurse Practitioner (Acute Care)
100 MEDICAL PLZ
LAKE ST LOUIS, MO 63367
St. Charles County (314) 317-0600
KENDRICK J WILLIAMS MD
Pediatrics
100 MEDICAL PLZ
LAKE SAINT LOUIS, MO 63367
St. Charles County (636) 625-5300
YUNHEE CHOI CRUSE CNP, FNP-BC
Nurse Practitioner (Family)
100 MEDICAL PLZ
LAKE ST LOUIS, MO 63367
St. Charles County (636) 625-5200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jayadev Sajja's NPI number?

The NPI number for Jayadev Sajja is 1194416107. It was assigned to this individual provider in the NPPES registry on May 19, 2023.

Where is Jayadev Sajja located?

Jayadev Sajja practices at 100 Medical Plz, Lake St Louis, MO 63367. The listed phone number is (636) 625-5297.

What is Jayadev Sajja's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jayadev Sajja enrolled in Medicare?

Yes. Jayadev Sajja is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jayadev Sajja's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jayadev Sajja reassigns Medicare benefits to Sound Physicians Of Illinois, LLC (Bridgeton, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jayadev Sajja's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jayadev Sajja accept?

Health plans from Medica list Jayadev Sajja as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jayadev Sajja was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.