Prathayini Subarajan, DO
Endocrinology, Diabetes & Metabolism Physician · Huntley, IL
Prathayini Subarajan, DO is an endocrinology, diabetes & metabolism physician with a practice address in Huntley, Illinois, and NPI 1306308671, issued on Apr 4, 2019. Check the license (Illinois 036160677, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Prathayini Subarajan
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 036160677 IL
Self-reported in NPPES; status is on the state search - Practice location
- 10370 Haligus RD Ste 117, Huntley, IL 60142
- Phone
- (815) 344-3900
- Enumerated
- Apr 4, 2019
- Record last updated
- Jun 10, 2026
- Fax
- (847) 802-7207
- Medicare enrollment
- Enrolled (PECOS I20240904002714); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →
Also registered at 10370 Haligus RD Ste 117
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jyothi Gogineni, M.D.Endocrinology, Diabetes & Metabolism Physician1265624282
- Tejal Shah, M.D.Endocrinology, Diabetes & Metabolism Physician1659576536
Verify Prathayini Subarajan 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 036160677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
137 Medicare Part D claims for 71 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Trulicity13 claims
- Tradjenta12 claims
- Jardiance11 claims
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.
Industry payments in 2024: $101.02
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Prathayini Subarajan among 436 endocrinology, diabetes & metabolism physician records in Illinois
Prathayini Subarajan, DO is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2006 among the 295 with a school on file
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Illinois
There are 436 endocrinology, diabetes & metabolism physician records in Illinois.
All 436 in Illinois → Every provider in Huntley → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Jyothi Gogineni, M.D.Huntley, IL 601421265624282
- Tejal Shah, M.D.Huntley, IL 601421659576536
- Nasrin Azad, MDHines, IL 601411831270909
- Hafsa Amjed, M.DGlen Ellyn, IL 601371104272798
- Winnie Nhan, DOGlen Ellyn, IL 601371245681709
- Sabaa Joad, M.D.Lombard, IL 601481629314372
- Terrence Swade, M.D.Lombard, IL 601481699847202
- Jacek Zajac, M.D.Lombard, IL 601481396817912
Common questions
What is Prathayini Subarajan, DO's NPI number?
Prathayini Subarajan, DO's National Provider Identifier (NPI) is 1306308671, issued on Apr 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Prathayini Subarajan, DO located?
The NPPES record lists a practice address at 10370 Haligus RD Ste 117, Huntley, IL, 60142. Phone: (815) 344-3900. Providers update this record themselves, so call before visiting.
How can I verify Prathayini Subarajan, DO's license?
NPPES lists Illinois license number 036160677, 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 Prathayini Subarajan, DO prescribe under Medicare Part D?
In 2024, Prathayini Subarajan, DO had 137 Medicare Part D claims for 71 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.