Doctor profile · Federal record
Dr. Ayan Chatterjee, M.D.
Glaucoma Specialist (Ophthalmology) Physician (CMS: Ophthalmology) · Internal Medicine Physician · Ophthalmology Physician · King of Prussia, PA
- NPI 1265845804
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
200 Mall Blvd
King of Prussia, PA 194062902
(866) 407-1852 - Additional location
-
123 Summer St
Worcester, MA 016081216
(508) 363-6208 - Mailing address
-
861 N Leithgow St
Philadelphia, PA 191232127
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- January 27, 2019
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207WX0009X — NUCC code
- State licenses (2)
- North Carolina #2018-00306 · Massachusetts #259852
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265845804. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,277
Distinct HCPCS
10
Medicare allowed
$520,629
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92136 |
Measurement of corneal curvature and depth of eye | 811 | 344 | $27 | |
66984 |
Removal of cataract with insertion of prosthetic lens | 478 | 271 | $456 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 330 | 330 | $175 | |
92014 |
Established patient complete exam of visual system | 320 | 298 | $132 | |
92083 |
Exam of visual field with extended testing | 287 | 282 | $66 | |
92133 |
Imaging of optic nerve | 233 | 227 | $36 | |
92012 |
Established patient problem focused exam of visual system | 188 | 144 | $94 | |
92020 |
Exam of the internal drainage system of eye | 106 | 106 | $29 | |
66821 |
Removal of recurring cataract in lens capsule using a laser | 94 | 69 | $365 | |
92250 |
Photography of the retina | 85 | 85 | $37 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 182. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$1,794
Transactions
34
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 17 | $1,050.43 | |
| Sight Sciences, Inc. | 5 | $372.56 | |
| RxSight Inc | 4 | $180.70 | |
| Johnson & Johnson Surgical Vision, Inc. | 2 | $71.68 | |
| Genentech USA, Inc. | 2 | $47.05 | |
| Bausch & Lomb Americas Inc. | 2 | $36.01 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 1 | $18.52 | |
| Harrow Eye, LLC | 1 | $16.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,282
Patients
1,316
Total drug cost
$168,251
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 807 | 210 | $13,050 |
| Prednisolone Acetate | Generic | 544 | 318 | $29,758 |
| Ketorolac Tromethamine | Generic | 517 | 257 | $9,506 |
| Timolol Maleate | Generic | 338 | 88 | $9,710 |
| Ofloxacin | Generic | 287 | 193 | $3,560 |
| Brimonidine Tartrate | Generic | 204 | 59 | $8,419 |
| Dorzolamide Hcl | Generic | 144 | 38 | $2,903 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 102 | 32 | $2,831 |
| Lumigan (Bimatoprost) | Brand | 64 | 18 | $24,587 |
| Travoprost | Generic | 59 | 14 | $11,739 |
Frequently asked questions
What is Dr. Ayan Chatterjee's medical specialty?
Dr. Ayan Chatterjee practices Glaucoma Specialist (Ophthalmology) Physician in King of Prussia, PA.
Where does Dr. Ayan Chatterjee practice?
Dr. Ayan Chatterjee practices at 200 Mall Blvd, King of Prussia, PA 194062902. Office phone: 8664071852.
What is Dr. Ayan Chatterjee's NPI?
Dr. Ayan Chatterjee's National Provider Identifier (NPI) is 1265845804, issued by NPPES.
Does Dr. Ayan Chatterjee accept Medicare assignment?
Yes. Dr. Ayan Chatterjee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ayan Chatterjee commonly perform?
Top Medicare-reported procedures in 2023: Measurement of corneal curvature and depth of eye (HCPCS 92136); Removal of cataract with insertion of prosthetic lens (HCPCS 66984); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.