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.
- 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
8 nearest pain medicine (physical medicine & rehabilitation) physician records → All 42 in Illinois → Look up another NPI →
Also registered at 1221 N Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Alberti, MDPulmonary Disease Physician1720015431
- Rovena AliajNurse Practitioner1871333120
- Seth Alper, M.D.Diagnostic Radiology Physician1689993768
- Mahmoud Amarna, MDPulmonary Disease Physician1538321518
- Jeffrey Anderson, PTPhysical Therapist1578598512
- Deborah Andras, PTPhysical Therapist1336246743
Verify Janaki Natarajan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-124500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
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
- Riverside Health SystemWillmington, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janaki Natarajan among 42 pain medicine (physical medicine & rehabilitation) physician records in Illinois
Janaki Natarajan, M.D. is one of 42 pain medicine (physical medicine & rehabilitation) physician records with a practice address in Illinois. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 50% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2002 · median 2005 among the 35 with a school on file
- Record last updated2017 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 → Pain Medicine (Physical Medicine & Rehabilitation) Physician nationwide →
The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes
- Sung-Lana Kim, MDOrland Park, IL 604671407809635
- Robert Metzler, MDPalos Hills, IL 604651457747479
- Narayan Tata, MDNaperville, IL 605641881648962
- Howard RobinsonHarvey, IL 604261467427690
- Baljinder Bathla, M.D.Chicago, IL 606051154510311
- Petra Joseph, MDChicago, IL 606101679685234
- Karina Bouffard, M.D.Chicago, IL 606111245491620
- Randy Calisoff, M.D.Chicago, IL 606111205920659
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.
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.