Doctor profile · Federal record

Dr. Denise John, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Student in an Organized Health Care Education/Training Program · Ann Arbor, MI

  • NPI 1033232319
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 Wall Street
Ann Arbor, MI 481051912
(734) 764-4190
Additional location
2215 Fuller RD
Ann Arbor, MI 481052303
(734) 845-6047
Mailing address
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
March 16, 2026
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Michigan #4301089592

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033232319. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
882
Distinct HCPCS
7
Medicare allowed
$56,623
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 271 187 $67
92083 Exam of visual field with extended testing 231 175 $27
92133 Imaging of optic nerve 153 144 $21
99214 Established patient office or other outpatient visit, 30-39 minutes 150 113 $99
66984 Removal of cataract with insertion of prosthetic lens 31 19 $430
92020 Exam of the internal drainage system of eye 29 29 $20
76514 Ultrasound scan of cornea to determine thickness 17 17 $8

In context: peer comparison

Among 40 peers in this city , average services per provider: 138. This provider delivers 6.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
768
Patients
273
Total drug cost
$78,107
Drug Type Claims Patients Total cost
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 164 59 $5,698
Latanoprost Generic 163 68 $4,338
Timolol Maleate Generic 103 37 $4,043
Brimonidine Tartrate Generic 82 40 $4,778
Dorzolamide Hcl Generic 43 19 $1,285
Prednisolone Acetate Generic 39 29 $1,922
Vyzulta (Latanoprostene Bunod) Brand 36 0 $12,316
Ketorolac Tromethamine Generic 26 21 $937
Pilocarpine Hcl Generic 23 0 $2,457
Rhopressa (Netarsudil Mesylate) Brand 23 0 $10,112

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Denise John's medical specialty?
Dr. Denise John practices Ophthalmology Physician in Ann Arbor, MI.
Where does Dr. Denise John practice?
Dr. Denise John practices at 1000 Wall Street, Ann Arbor, MI 481051912. Office phone: 7347644190.
What is Dr. Denise John's NPI?
Dr. Denise John's National Provider Identifier (NPI) is 1033232319, issued by NPPES.
Does Dr. Denise John accept Medicare assignment?
Yes. Dr. Denise John accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Denise John commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Exam of visual field with extended testing (HCPCS 92083); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.