NPPES file of Aug 9, 2026

Janaki Natarajan, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Aurora, IL

Janaki Natarajan, M.D. is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Aurora, Illinois, and NPI 1306068200, issued on May 2, 2007. Check the license (Illinois 036-124500, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1306068200
Name
Janaki Natarajan
Credential
M.D.
Primary taxonomy
Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
License numbers
036-124500 IL
T01097 KS
Self-reported in NPPES; status is on the state search
Practice location
1221 N Highland Ave, Aurora, IL 60506
Phone
(630) 859-8700
Enumerated
May 2, 2007
Record last updated
Feb 22, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(630) 264-8496
Medicaid IDs
036124500 IL
1306068200 IA
47037660425 NE
Medicare enrollment
Enrolled (PECOS I20091106000302); accepts Medicare assignment
Medical or professional school
University Of Missouri, Kansas City, School Of Medicine, 2002
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 1221 N Highland Ave

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

  1. Lawrence Alberti, MDPulmonary Disease Physician1720015431
  2. Rovena AliajNurse Practitioner1871333120
  3. Seth Alper, M.D.Diagnostic Radiology Physician1689993768
  4. Mahmoud Amarna, MDPulmonary Disease Physician1538321518
  5. Jeffrey Anderson, PTPhysical Therapist1578598512
  6. Deborah Andras, PTPhysical Therapist1336246743

Verify Janaki Natarajan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-124500    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
Open the Illinois license search

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99% fewer Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024

21 Medicare Part D claims, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D.

  1. Janaki Natarajan21
  2. Specialty average1,479

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. Riverside Health SystemWillmington, IL

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

Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in Illinois

There are 42 pain medicine (physical medicine & rehabilitation) physician records in Illinois.

All 42 in Illinois → Every provider in Aurora →

Other pain medicine (physical medicine & rehabilitation) physician records in Illinois

  1. Divya Agrawal, M.D.Chicago, IL1386806115
  2. Edward Babigumira, MDPalatine, IL1801915947
  3. Prempreet Bajaj, D.O.Maywood, IL1699931295
  4. Baljinder Bathla, M.D.Chicago, IL1154510311
  5. Shivani Batra, D.O.Chicago, IL1871752881
  6. Zachary Belford, DORockford, IL1659894913
  7. Karina Bouffard, M.D.Chicago, IL1245491620
  8. Randy Calisoff, M.D.Chicago, IL1205920659
  9. Maria Cunningham, LPTO Fallon, IL1881979623
  10. Kaitlyn Egan, MDChicago, IL1710475488

Common questions

What is Janaki Natarajan, M.D.'s NPI number?

Janaki Natarajan, M.D.'s National Provider Identifier (NPI) is 1306068200, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Janaki Natarajan, M.D. located?

The NPPES record lists a practice address at 1221 N Highland Ave, Aurora, IL, 60506. Phone: (630) 859-8700. Providers update this record themselves, so call before visiting.

How can I verify Janaki Natarajan, M.D.'s license?

NPPES lists Illinois license number 036-124500, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Janaki Natarajan, M.D. prescribe under Medicare Part D?

In 2024, Janaki Natarajan, M.D. had 21 Medicare Part D claims; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.