NPPES file of Aug 9, 2026

Rajyalakshmi Gannu, MD

Internal Medicine Physician · North Chicago, IL

Rajyalakshmi Gannu, MD is an internal medicine physician with a practice address in North Chicago, Illinois, and NPI 1770600769, issued on Mar 23, 2007. Check the license (Illinois 036136665, 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
1770600769
Name
Rajyalakshmi Gannu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
036136665 IL
25MA08621900 NJ
MT188193 PA
Self-reported in NPPES; status is on the state search
Practice location
3001 Green Bay RD, North Chicago, IL 60064
Phone
(224) 610-3871
Enumerated
Mar 23, 2007
Record last updated
Feb 26, 2024
Medicaid ID
0255629 NJ
Medicare enrollment
Enrolled (PECOS I20150515001651); accepts Medicare assignment
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 3001 Green Bay RD

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

  1. Crystal Aandahl, FNPFamily Nurse Practitioner1316497068
  2. Dinuk Abeysekera, M.D.Psychiatry Physician1366616534
  3. Greta AbrahamPrimary Care Nurse Practitioner1568830404
  4. Sam Abraham, LCSWClinical Social Worker1063657260
  5. Jabeen Abutalib, M.D.Geriatric Medicine (Internal Medicine) Physician1750505608
  6. Crystal Adamos, PT, DPTPhysical Therapist1538939525

Verify Rajyalakshmi Gannu 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 036136665
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

34 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Rajyalakshmi Gannu34
  2. Specialty average3,176

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. Mercy Health System CorporationCrystal Lake, IL

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

Rajyalakshmi Gannu among 7,238 internal medicine physician records in Illinois

Rajyalakshmi Gannu, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 39% of them.

  • NPI issued2007 · 39% of these records are older, 55% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1998 · median 2003 among the 3,580 with a school on file
  • Record last updated2024 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

40 internal medicine physician records list a practice address in North Chicago

They are 40 of the 1,069 NPPES records with a practice address in North Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Charles Barsano, M.D.North Chicago, IL 600641871600346
  2. Laurie Broutman, MDNorth Chicago, IL 600641699821710
  3. Lashaone Hatchett, M.D.North Chicago, IL 600641366645681
  4. Ayesha Imran, M.D.North Chicago, IL 600641821150442
  5. Brian Lipson, MDNorth Chicago, IL 600641609880327
  6. Jeanette Morrison, MDNorth Chicago, IL 600641477765238
  7. Saji Oommen, M.D.,North Chicago, IL 600641497856330
  8. Ravi Patel, M.D.North Chicago, IL 600641619980166

Common questions

What is Rajyalakshmi Gannu, MD's NPI number?

Rajyalakshmi Gannu, MD's National Provider Identifier (NPI) is 1770600769, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Rajyalakshmi Gannu, MD located?

The NPPES record lists a practice address at 3001 Green Bay RD, North Chicago, IL, 60064. Phone: (224) 610-3871. Providers update this record themselves, so call before visiting.

How can I verify Rajyalakshmi Gannu, MD's license?

NPPES lists Illinois license number 036136665, 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 Rajyalakshmi Gannu, MD prescribe under Medicare Part D?

In 2024, Rajyalakshmi Gannu, MD had 34 Medicare Part D claims; 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.