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CHALLA AJIT, M.D. LLC
NPI 1629142815
Internal Medicine - Gastroenterology in Springfield, OH

Active since November 20, 2006CLIA 36D1062943 · Waiver
2355 DERR RD, SPRINGFIELD, OH 45503(937) 568-7070(937) 629-3285 Get Directions Write a Review

NPPES record last updated: March 25, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Challa Ajit, M.d. Llc NPPES

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

CHALLA AJIT, M.D. LLC (NPI 1629142815) is a healthcare organization registered as a gastroenterology in Springfield, Ohio and active in the NPI registry since November 2006. The organization holds a CLIA Waiver certificate valid through January 1, 2027 and lists Challa Ajit, Owner, as its authorized official.

NPPES Registry Identity

NPI1629142815
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameCHALLA AJIT, M.D. LLC
Location Address2355 DERR RDSpringfield, OH 45503-2433
Mailing Address2355 Derr RdSpringfield, OH 45503-2433 · (937) 568-7070 · Fax (937) 629-3285
Phone(937) 568-7070
Fax(937) 629-3285
Organization SubpartNo
Authorized OfficialChalla AjitOwner · (937) 568-7070
Enumeration DateNovember 20, 2006
Last NPPES UpdateMarch 25, 2008
✔ NPI 1629142815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in OH · 35082392
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
2355 DERR RD, Springfield, OH 45503
Open in Google Maps ↗

Other Identifiers 2

Medicaid2388269OH
Medicare PIN9364861OH

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Challa Ajit, M.d. Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateOhioEnrollment IDO20061215000148Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

15

Medicare enrollment records show 15 clinicians reassign Medicare billing to Challa Ajit, M.D. LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 4

Pathology9
Gastroenterology4
Internal Medicine1
Nurse Practitioner1

Clinicians, nearest first (15)

Challa Ajit, MD
Gastroenterology
NPI 1598778805
2355 DERR RD
Springfield, OH 45503
(937) 629-0100
✔ PECOS✔ Accepts MedicareSame address
Adine Edwards
Nurse Practitioner
NPI 1538702162
100 MEDICAL CENTER DR
Springfield, OH 45504
(937) 523-3100
✔ PECOS✔ Accepts Medicare2.4 mi
Kandarp Shah, M.D.
Internal Medicine
NPI 1801815352
7774 DAYTON SPRINGFIELD RD
Fairborn, OH 45324
(937) 716-1226
✔ PECOS✔ Accepts Medicare11 mi
Daniel Hood, MD
Pathology
NPI 1922095819
ONE WYOMING STREET PATHOLOGY DEPT.
Dayton, OH 45409
(937) 208-3588
✔ PECOS26 mi
Ronald Chiu, MD
Pathology
NPI 1023126265
1 WYOMING STREET PATHOLOGY LAB
Dayton, OH 45409
(937) 208-2978
✔ PECOS✔ Accepts Medicare26 mi
Rebecca Balaj, MD
Pathology
NPI 1023001989
1 WYOMING ST
Dayton, OH 45409
(937) 208-2978
✔ PECOS✔ Accepts Medicare26 mi
Sergei Guma, MD/PHD
Pathology
NPI 1699186445
1 WYOMING ST
Dayton, OH 45409
(937) 208-2978
✔ PECOS✔ Accepts Medicare26 mi
Hongliu Sun, MD
Pathology
NPI 1518213693
1 WYOMING ST
Dayton, OH 45409
(937) 208-2978
✔ PECOS✔ Accepts Medicare26 mi
Luke Wibowo, MD
Pathology
NPI 1861487068
1 WYOMING ST
Dayton, OH 45409
(937) 208-2978
✔ PECOS✔ Accepts Medicare26 mi
Allen Stephens, D.O.
Pathology
NPI 1184890121
1 WYOMING ST
Dayton, OH 45409
(937) 208-3588
✔ PECOS✔ Accepts Medicare26 mi
Krishna Rayapudi, MD
Gastroenterology
NPI 1467688093
4600 LEAP CT
Hilliard, OH 43026
(614) 385-5900
✔ PECOS✔ Accepts Medicare35 mi
Alan Prok, MD
Pathology
NPI 1255380630
4619 KENNY RD
Columbus, OH 43220
(614) 457-8180
✔ PECOS✔ Accepts Medicare40 mi
Akeek Bhatt, M.D.
Gastroenterology
NPI 1962609578
410 W 10TH AVE
Columbus, OH 43210
(614) 293-6255
✔ PECOS✔ Accepts Medicare41 mi
Hebin Song, MD
Pathology
NPI 1649624222
320 EAST NORTH AVENUE ALLEGHENY GENERAL HOSPITAL
Pittsburgh, PA 15212
(412) 359-6037
✔ PECOS✔ Accepts Medicare203 mi
John Debanto, MD
Gastroenterology
NPI 1033175922
1412 1/2 CALUMET AVE
Los Angeles, CA 90026
(678) 897-3726
✔ PECOS1,936 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 36D1062943

Challa Ajit MD LLC · Springfield, OH
Active · expires Jan 1, 2027
CLIA Number36D1062943
Laboratory TypePhysician Office
Certificate Effective DateJanuary 2, 2025
Certificate Expiration DateJanuary 1, 2027
Laboratory DirectorChalla Ajit MD
Laboratory Phone(937) 568-7070
Laboratory LocationChalla Ajit MD LLC2355 Derr Road, Springfield, OH 45503
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Challa Ajit, M.D. LLC's NPI number?

The NPI number for Challa Ajit, M.D. LLC is 1629142815. It was assigned to this organization in the NPPES registry on November 20, 2006.

Where is Challa Ajit, M.D. LLC located?

Challa Ajit, M.D. LLC is located at 2355 Derr Rd, Springfield, OH 45503. The listed phone number is (937) 568-7070.

What is Challa Ajit, M.D. LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Challa Ajit, M.D. LLC enrolled in Medicare?

Yes. Challa Ajit, M.D. LLC is registered in the Medicare PECOS enrollment system.

When is Challa Ajit, M.D. LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Ohio, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Challa Ajit, M.D. LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 15 clinicians in 4 Medicare specialties reassign their Medicare billing to Challa Ajit, M.D. LLC. A 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 the clinician's services. The largest specialties are Pathology (9), Gastroenterology (4) and Internal Medicine (1). Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Challa Ajit, M.D. LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 36D1062943) is associated with this NPI, valid through January 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Challa Ajit, M.D. LLC accept?

Health plans from Anthem Blue Cross and Blue Shield list Challa Ajit, M.D. LLC 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 Challa Ajit, M.D. LLC was last updated on March 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.