Doctor profile · Federal record

Dr. Ann-Marie Lobo-Chan, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Chicago, IL

  • NPI 1710046818
  • Accepts Medicare
  • MIPS 77.1 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1855 W Taylor St
Chicago, IL 606127242
(312) 996-6660
fax (312) 996-7770

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
May 7, 2018
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Illinois #036.138619

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710046818. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
196
Distinct HCPCS
4
Medicare allowed
$12,636
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 84 57 $70
92134 Imaging of retina 51 28 $25
99214 Established patient office or other outpatient visit, 30-39 minutes 33 16 $103
92014 Established patient complete exam of visual system 28 12 $75

In context: peer comparison

Among 73 peers in Chicago Ophthalmology Physician, average services per provider: 211. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
171
Patients
33
Total drug cost
$8,030
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 74 33 $4,536
Brimonidine Tartrate Generic 16 0 $173
Dorzolamide Hcl Generic 16 0 $139
Difluprednate Generic 14 0 $1,878
Erythromycin (Erythromycin Base) Brand 14 0 $148
Prednisone Generic 14 0 $124
Latanoprost Generic 12 0 $630
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 11 0 $401

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann-Marie Lobo-Chan's medical specialty?
Dr. Ann-Marie Lobo-Chan practices Ophthalmology Physician in Chicago, IL.
Where does Dr. Ann-Marie Lobo-Chan practice?
Dr. Ann-Marie Lobo-Chan practices at 1855 W Taylor St, Chicago, IL 606127242. Office phone: 3129966660.
What is Dr. Ann-Marie Lobo-Chan's NPI?
Dr. Ann-Marie Lobo-Chan's National Provider Identifier (NPI) is 1710046818, issued by NPPES.
Does Dr. Ann-Marie Lobo-Chan accept Medicare assignment?
Yes. Dr. Ann-Marie Lobo-Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann-Marie Lobo-Chan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Imaging of retina (HCPCS 92134); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.