Registry data as of Aug 27, 2026

Charles Cohn, M.D.

Ophthalmology Physician · Fredericksburg, TX

Charles Cohn, M.D. is an ophthalmology physician with a practice address in Fredericksburg, Texas, and NPI 1003044058, issued on Jun 29, 2009. Check the license (Texas P0187, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1003044058
Name
Charles Cohn
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
P0187 TX
Self-reported in NPPES; status is on the state search
Practice location
751 S Washington St, Fredericksburg, TX 78624
Phone
(830) 997-6535
Enumerated
Jun 29, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 751 S Washington St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Giovanni Campagna, MDGlaucoma Specialist (Ophthalmology) Physician1760942684
  2. Anne Pluenneke, MDOphthalmology Physician1811969108

Verify Charles Cohn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P0187
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

30% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,043 Medicare Part D claims for 259 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Charles Cohn1,043
  2. Specialty average1,490

Most prescribed

  1. Latanoprost448 claims
  2. Dorzolamide-Timolol146 claims
  3. Timolol Maleate102 claims
  4. Brimonidine Tartrate43 claims
  5. Lumigan34 claims
  6. Acyclovir26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 81.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%38.9
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $631.86

16 payments, mostly food and beverage; the largest payer was RxSight Inc. The 12,922 providers of this specialty with any payment received $4,937.17 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Cohn$631.86
  2. Specialty average$4,937.17

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Fredericksburg Eye Associates, PLLCFredericksburg, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

5 ophthalmology physician records list a Fredericksburg practice address

They are 5 of the 331 NPPES records with a Fredericksburg practice address, and 1,439 ophthalmology physician records in Texas.

Other ophthalmology physician records in Texas

  1. Justin Aaker, MDGeorgetown, TX1144422908
  2. Asad Abbas, M.D.Baytown, TX1457354813
  3. Ashkan Abbey, M.D.Dallas, TX1548402886
  4. Meredith Abbott, MDDallas, TX1659570943
  5. Musa Abdelaziz, MDSouthlake, TX1588906465
  6. Wael Abdelghani, M.D.The Woodlands, TX1508837915
  7. Aziz Abdul-Rahim, M.D.Fort Worth, TX1881690279
  8. Saeid Abedin, M.D.,Houston, TX1265470819
  9. Joan Abernethy, MDFort Worth, TX1871590471
  10. Mohamad Bachir AbiadDallas, TX1831542828

Common questions

What is Charles Cohn, M.D.'s NPI number?

Charles Cohn, M.D.'s National Provider Identifier (NPI) is 1003044058, issued on Jun 29, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Charles Cohn, M.D. located?

The NPPES record lists a practice address at 751 S Washington St, Fredericksburg, TX, 78624. Phone: (830) 997-6535. Providers update this record themselves, so call before visiting.

How can I verify Charles Cohn, M.D.'s license?

NPPES lists Texas license number P0187, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles Cohn, M.D. prescribe under Medicare Part D?

In 2024, Charles Cohn, M.D. had 1,043 Medicare Part D claims for 259 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.

What is Charles Cohn, M.D.'s Medicare quality score?

The 2023 MIPS final score is 81.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.