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Edit this profileWhere to find Ayan Chatterjee, M.D.
- King of Prussia location main office
200 Mall Blvd, King of Prussia, PA 19406 - Worcester location
123 Summer St, Worcester, MA 01608
About Dr. Chatterjee
Based in King of Prussia, PA, Ayan Chatterjee, M.D. is listed in the NPI registry under ophthalmology. Ayan graduated from Pennsylvania State University College of Medicine in 2014. Ayan is also listed as specializing in internal medicine and ophthalmology — glaucoma. According to Medicare claims data, Ayan cared for 1,946 Medicare patients across 2,604 services. The services billed most often include measurement of corneal curvature and depth of eye, removal of cataract with insertion of prosthetic lens, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1265845804 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (866) 407-1852
- Email not available
Practice Locations
200 MALL BLVD
King Of Prussia, PA 19406
123 Summer St
Worcester, MA 01608
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
2,604 services · 1,946 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
380 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
62 | More often than most peers in Ophthalmology |
| Dilation of fluid outflow drainage within eye | Procedure | 66174 |
45 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
34 | More often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
26 | More often than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
21 | Less often than most peers in Ophthalmology |
| Incision to improve eye fluid flow | Procedure | 65820 |
20 | As often as other peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
33 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
692 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
237 | As often as other peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other eye doctors in King Of Prussia 5
Same specialty, same city.
Trained at Pennsylvania State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Pennsylvania State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Ayan Chatterjee specialize in?
Ayan Chatterjee is an eye doctor in King Of Prussia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Ayan Chatterjee located?
Ayan Chatterjee is listed at 200 Mall Blvd, King Of Prussia, PA 19406. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ayan Chatterjee's phone number?
The number on file is (866) 407-1852. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Ayan Chatterjee's NPI number?
Ayan Chatterjee's National Provider Identifier is 1265845804. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Ayan Chatterjee train?
Ayan Chatterjee attended Pennsylvania State University College of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Ayan Chatterjee been practicing?
Ayan Chatterjee has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Ayan Chatterjee do most often?
According to Medicare billing data, Ayan Chatterjee performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and dilation of fluid outflow drainage within eye; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as measurement of corneal curvature and depth of eye and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Ayan Chatterjee confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ayan Chatterjee. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.