NPPES file of Aug 9, 2026

Charles Louis Schaffer, M.D.

Ophthalmology Physician · Las Cruces, NM

Charles Louis Schaffer, M.D. is an ophthalmology physician with a practice address in Las Cruces, New Mexico, and NPI 1962435818, issued on Jul 7, 2006. Check the license on the New Mexico Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962435818
Name
Charles Louis Schaffer
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
22233 AZ
Self-reported in NPPES; status is on the state search
Practice location
2030 S Solano Dr, Las Cruces, NM 88001
Phone
(575) 521-1158
Enumerated
Jul 7, 2006
Record last updated
Oct 23, 2019 (not updated in 7 years: call before relying on the address or phone)
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 2030 S Solano Dr

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

  1. Ryan Anderson, M.D.Ophthalmology Physician1891752812
  2. Paul Gomez, O.D.Optometrist1003992199
  3. Jennifer Murray, ODOptometrist1861688319
  4. Robert Villalobos, MDOphthalmology Physician1285682674
  5. Jason Zehden, PHARMD, MDOphthalmology Physician1760094643

Verify Charles Louis Schaffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Mexico Medical BoardCheck 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 New Mexico 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.

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6% more Medicare Part D claims than the average ophthalmology physician in 2024

1,609 Medicare Part D claims for 488 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Charles Schaffer1,609
  2. Specialty average1,518

Most prescribed

  1. Latanoprost459 claims
  2. Dorzolamide-Timolol310 claims
  3. Timolol Maleate267 claims
  4. Prednisolone Acetate80 claims
  5. Prolensa74 claims
  6. Rocklatan51 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 MIPS final score for 2023 (Medicare payment program): 87.7 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%58.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $169.93

3 payments; by number, the most common kind was food and beverage; the largest payer was RxSight Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Schaffer$169.93
  2. Specialty average$4,535.02

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

Charles Louis Schaffer among 105 ophthalmology physician records in New Mexico

Charles Louis Schaffer, M.D. is one of 105 ophthalmology physician records with a practice address in New Mexico. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 30% of them.

  • NPI issued2006 · 30% of these records are older, 32% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2019 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a New Mexico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in New Mexico

There are 105 ophthalmology physician records in New Mexico.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Ryan Anderson, M.D.Las Cruces, NM 880011891752812
  2. Robert Villalobos, MDLas Cruces, NM 880011285682674
  3. Jason Zehden, PHARMD, MDLas Cruces, NM 880011760094643
  4. Jon Hall, MDLas Cruces, NM 880111972506368
  5. Edward Hernandez, M.D.Las Cruces, NM 880111346263126
  6. Richard Lazaro, MDLas Cruces, NM 880111821177155
  7. Thomas Boyle, MDDeming, NM 880301063518066
  8. Neal Apple, MDSilver City, NM 880611225035967

Common questions

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

Charles Louis Schaffer, M.D.'s National Provider Identifier (NPI) is 1962435818, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Louis Schaffer, M.D. located?

The NPPES record lists a practice address at 2030 S Solano Dr, Las Cruces, NM, 88001. Phone: (575) 521-1158. Providers update this record themselves, so call before visiting.

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

Search the New Mexico Medical Board at https://www.nmmb.state.nm.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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

In 2024, Charles Louis Schaffer, M.D. had 1,609 Medicare Part D claims for 488 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Charles Louis Schaffer, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.7 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), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.