Doctor profile · Federal record

Dr. Preston Jacob, M.D.

Emergency Medicine Physician · Emergency Medicine Physician · Chicago, IL

  • NPI 1790226900
  • 9 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
836 W Wellington Ave
Chicago, IL 606575147
(773) 975-1600
Additional location
1740 W Taylor St
Chicago, IL 606127232
(866) 600-2273
Additional location
1775 Dempster St
Park Ridge, IL 600681143
(847) 723-2210
Show 1 more location
Additional location
2525 S Michigan Ave
Chicago, IL 606162315
(312) 567-2000
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
August 4, 2025
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Illinois #036.150694 · Illinois #125.070476

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790226900. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
213
Distinct HCPCS
4
Medicare allowed
$33,706
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 114 111 $186
99284 Emergency department visit with moderate level of medical decision making 60 55 $129
99283 Emergency department visit with low level of medical decision making 26 26 $78
99291 Critical care, first 30-74 minutes 13 12 $209

In context: peer comparison

Among 334 peers in this city , average services per provider: 87. This provider delivers 2.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Preston Jacob's medical specialty?
Dr. Preston Jacob practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. Preston Jacob practice?
Dr. Preston Jacob practices at 836 W Wellington Ave, Chicago, IL 606575147. Office phone: 7739751600.
What is Dr. Preston Jacob's NPI?
Dr. Preston Jacob's National Provider Identifier (NPI) is 1790226900, issued by NPPES.
What procedures does Dr. Preston Jacob commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.