Doctor profile · Federal record

Dr. Cynthia Thomas, MD

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Chicago, IL

  • NPI 1043264823
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2001 S California Ave
Chicago, IL 606082486
(773) 927-8540

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 2, 2011
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-098836
Medicaid
IL #036098836

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043264823. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
353
Distinct HCPCS
5
Medicare allowed
$37,869
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 225 52 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 42 19 $80
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 35 16 $65
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 29 12 $54
99442 Telephone medical discussion with physician, 11-20 minutes 22 13 $40

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$332
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Koya Medical, INC. 2 $119.77
AstraZeneca Pharmaceuticals Lp 5 $116.47
Alk-Abello, INC 2 $47.58
Phadia US INC. 1 $24.40
Lilly USA, LLC 1 $23.41

By nature of payment

Food and Beverage
$332

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
722
Patients
164
Total drug cost
$9,106
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 83 21 $547
Atorvastatin Calcium Generic 83 19 $818
Montelukast Sodium Generic 71 18 $891
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 55 0 $1,286
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 48 20 $1,398
Hydrochlorothiazide Generic 47 13 $172
Furosemide Generic 45 0 $222
Losartan Potassium Generic 43 13 $646
Levothyroxine Sodium Generic 42 11 $850
Metformin Hcl Generic 38 15 $236

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Thomas's medical specialty?
Dr. Cynthia Thomas practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Cynthia Thomas practice?
Dr. Cynthia Thomas practices at 2001 S California Ave, Chicago, IL 606082486. Office phone: 7739278540.
What is Dr. Cynthia Thomas's NPI?
Dr. Cynthia Thomas's National Provider Identifier (NPI) is 1043264823, issued by NPPES.
Does Dr. Cynthia Thomas accept Medicare assignment?
Yes. Dr. Cynthia Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Thomas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.