What is Charles Cohn's NPI number?

Charles Cohn's National Provider Identifier (NPI) is 1003044058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Charles Cohn's specialty?

Charles Cohn is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Charles Cohn located?

Charles Cohn's practice location on file with NPPES is 751 S Washington St, Fredericksburg, TX 78624-5022.

What is Charles Cohn's phone number?

The practice phone number listed in the NPPES registry for Charles Cohn is (830) 997-6535.

Does Charles Cohn accept Medicare?

Charles Cohn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Charles Cohn's NPI active?

Yes — Charles Cohn's NPI (1003044058) is active in the NPPES registry as of the last update on 2026-01-24.

IndividualActiveAccepts Medicare

Charles Cohn, M.D.

NPI 1003044058 · Ophthalmology Physician · Fredericksburg, TX

Charles Cohn, M.D. is a Ophthalmology Physician provider in Fredericksburg, TX (NPI 1003044058).

Provider details

NPI number: 1003044058
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: P0187 (TX)

Practice location

751 S Washington St

Fredericksburg, TX 78624-5022

Phone: (830) 997-6535

Fax: (830) 997-9695

Street-level locationGet directions

More TX providers

Mailing address

751 S Washington St

Fredericksburg, TX 78624-5022

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense P0187 (TX)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(88/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
17 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
4,468 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Complete Exam of Visual System92014	1,276	$119
Imaging of Retina92134	740	$38
Established Patient Problem Focused Exam of Visual System92012	419	$84
Imaging of Optic Nerve92133	367	$34
Measurement of Corneal Curvature and Depth of Eye92136	237	$38
Removal of Cataract With Insertion of Prosthetic Lens66984	225	$464
Exam of Visual Field With Extended Testing

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Latanoprost	448	115
Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol	146	33
Timolol Maleate	102	33
Brimonidine Tartrate	43	12
Bimatoprostbrand: Lumigan	34	13
Acyclovir	26	—
Cyclosporinebrand: Restasis	25	—

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$632 across 16 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2009-06-29
Last updated: 2026-01-24
Certified: 2026-01-24

Frequently asked questions

What is Charles Cohn's NPI number?: Charles Cohn's National Provider Identifier (NPI) is 1003044058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Charles Cohn's specialty?: Charles Cohn is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
Where is Charles Cohn located?: Charles Cohn's practice location on file with NPPES is 751 S Washington St, Fredericksburg, TX 78624-5022.
What is Charles Cohn's phone number?: The practice phone number listed in the NPPES registry for Charles Cohn is (830) 997-6535.
Does Charles Cohn accept Medicare?: Charles Cohn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Charles Cohn's NPI active?: Yes — Charles Cohn's NPI (1003044058) is active in the NPPES registry as of the last update on 2026-01-24.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Established Patient Complete Exam of Visual System92014	1,276	$119
Imaging of Retina92134	740	$38
Established Patient Problem Focused Exam of Visual System92012	419	$84
Imaging of Optic Nerve92133	367	$34
Measurement of Corneal Curvature and Depth of Eye92136	237	$38
Removal of Cataract With Insertion of Prosthetic Lens66984	225	$464
Exam of Visual Field With Extended Testing

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Latanoprost	448	115
Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol	146	33
Timolol Maleate	102	33
Brimonidine Tartrate	43	12
Bimatoprostbrand: Lumigan	34	13
Acyclovir	26	—
Cyclosporinebrand: Restasis	25	—

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$632 across 16 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments