NPPES file of Aug 9, 2026

Tanya Annette Royster, MD

Child & Adolescent Psychiatry Physician · Chicago, IL

Tanya Annette Royster, MD is a child & adolescent psychiatry physician with a practice address in Chicago, Illinois, and NPI 1851490791, issued on Sep 21, 2006. Check the license (Illinois 036099521, 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
1851490791
Name
Tanya Annette Royster
Credential
MD
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
036099521 IL
Self-reported in NPPES; status is on the state search
Practice location
1740 W Taylor St, Chicago, IL 60612
Phone
(866) 600-2273
Enumerated
Sep 21, 2006
Record last updated
Nov 18, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201110000633); 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 1740 W Taylor St

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

  1. Francisco AbancoCertified Registered Nurse Anesthetist1255844288
  2. Leena Abbas, MDStudent in an Organized Health Care Education/Training Program1679376594
  3. Herand AbcarianColon & Rectal Surgery Physician1881792372
  4. Ivy AbrahamHematology & Oncology Physician1497172845
  5. Rohit Abraham, MD, MPH, MATPsychiatry Physician1013478932
  6. Ereni Abuaita, DOInternal Medicine Physician1013710961

Verify Tanya Annette Royster 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 036099521
    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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63% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

185 Medicare Part D claims for 19 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.

  1. Tanya Royster185
  2. Specialty average504

Most prescribed

  1. Sertraline Hcl27 claims
  2. Dextroamphetamine-Amphet Er24 claims
  3. Alprazolam21 claims
  4. Quetiapine Fumarate19 claims
  5. Aripiprazole17 claims
  6. Lorazepam14 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.

Bills Medicare through one group practice

  1. Quincy Physicians And Surgeons Clinic, PLLCQuincy, IL

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

Tanya Annette Royster among 267 child & adolescent psychiatry physician records in Illinois

Tanya Annette Royster, MD is one of 267 child & adolescent psychiatry physician records with a practice address in Illinois. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 65% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileYes · 36% of these records are
  • Graduated1993 · median 2002 among the 95 with a school on file
  • Record last updated2014 · 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 2084P0804X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in Illinois

There are 267 child & adolescent psychiatry physician records in Illinois.

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Fazal Ahmed, MDChicago, IL 606121902917818
  2. Marc AtkinsChicago, IL 606121205934601
  3. Randall CarterChicago, IL 606121730287095
  4. Sucheta ConnollyChicago, IL 606121700984085
  5. Rosario Cosme Cruz, M.D.Chicago, IL 606121811298987
  6. Geri DonenbergChicago, IL 606121104986256
  7. Geraldine FoxChicago, IL 606121518025345
  8. Patricia GraczykChicago, IL 606121487752499

Common questions

What is Tanya Annette Royster, MD's NPI number?

Tanya Annette Royster, MD's National Provider Identifier (NPI) is 1851490791, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tanya Annette Royster, MD located?

The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.

How can I verify Tanya Annette Royster, MD's license?

NPPES lists Illinois license number 036099521, 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 Tanya Annette Royster, MD prescribe under Medicare Part D?

In 2024, Tanya Annette Royster, MD had 185 Medicare Part D claims for 19 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.