Doctor profile · Federal record

Dr. Daniel Okamoto, M.D.

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

  • NPI 1073803979
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1700 W van Buren St, Suite 500
Chicago, IL 606125500
(312) 942-4200
fax (312) 942-3568

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
December 29, 2014
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-135082

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073803979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
828
Distinct HCPCS
7
Medicare allowed
$88,173
HCPCS Description Services Patients Avg allowed
97810 Acupuncture, initial 15 minutes 389 60 $41
99215 Established patient office or other outpatient visit, 40-54 minutes 180 110 $188
99205 New patient office or other outpatient visit, 60-74 minutes 92 92 $230
99214 Established patient office or other outpatient visit, 30-39 minutes 69 58 $136
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 49 30 $34
99213 Established patient office or other outpatient visit, 20-29 minutes 29 25 $96
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $169

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
139
Patients
0
Total drug cost
$4,345
Drug Type Claims Patients Total cost
Lisinopril Generic 28 0 $435
Omeprazole Generic 28 0 $312
Levothyroxine Sodium Generic 20 0 $671
Metformin Hcl Generic 15 0 $99
Famotidine Generic 14 0 $378
Amlodipine Besylate Generic 12 0 $223
Atorvastatin Calcium Generic 11 0 $188
Tirosint (Levothyroxine Sodium) Brand 11 0 $2,038

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Okamoto's medical specialty?
Dr. Daniel Okamoto practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Daniel Okamoto practice?
Dr. Daniel Okamoto practices at 1700 W van Buren St, Chicago, IL 606125500. Office phone: 3129424200.
What is Dr. Daniel Okamoto's NPI?
Dr. Daniel Okamoto's National Provider Identifier (NPI) is 1073803979, issued by NPPES.
Does Dr. Daniel Okamoto accept Medicare assignment?
Yes. Dr. Daniel Okamoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Okamoto commonly perform?
Top Medicare-reported procedures in 2023: Acupuncture (HCPCS 97810); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.