NPPES file of Aug 9, 2026

Dennis C. Matzkin, M.D.

Ophthalmology Physician · Chattanooga, TN

Dennis C. Matzkin, M.D. is an ophthalmology physician with a practice address in Chattanooga, Tennessee, and NPI 1912968371, issued on Mar 28, 2006. Check the license (Tennessee 49461, as entered in NPPES) on the Tennessee Board of Medical Examiners; 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
1912968371
Name
Dennis C. Matzkin
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
49461 TN
039169 GA
Self-reported in NPPES; status is on the state search
Practice location
7405 Shallowford Road, Chattanooga, TN 37421
Phone
(423) 855-8522
Enumerated
Mar 28, 2006
Record last updated
Jul 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(423) 855-8533
Medicaid IDs
000639933I GA
1530465 TN
Medicare enrollment
Enrolled (PECOS I20121226000098); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7405 Shallowford Road

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

  1. Jaime Ponce-Portugal, MDSurgery Physician1245280023

Verify Dennis C. Matzkin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 49461
    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 Tennessee license search

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79% more Medicare Part D claims than the average ophthalmology physician in 2024

2,721 Medicare Part D claims for 797 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 13 claims were for opioids.

  1. Dennis Matzkin2,721
  2. Specialty average1,518

Most prescribed

  1. Latanoprost631 claims
  2. Prednisolone Acetate359 claims
  3. Ofloxacin253 claims
  4. Neomycin-Polymyxin-Dexameth234 claims
  5. Ketorolac Tromethamine230 claims
  6. Timolol Maleate181 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 MIPS final score for 2023 (Medicare payment program): 94.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score89.4
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $439.04

9 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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. Dennis Matzkin$439.04
  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.

Bills Medicare through one group practice

  1. Dennis C Matzkin MD PCChattanooga, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ophthalmology Physician providers in Tennessee

There are 366 ophthalmology physician records in Tennessee.

Other ophthalmology physician records in Tennessee

  1. Brent Aebi, M.D.Bristol, TN1902291859
  2. Khandaker AhadMurfreesboro, TN1346350527
  3. Harold Akin, MDMurfreesboro, TN1386736494
  4. Nancy Alison, M.D.Johnson City, TN1679566962
  5. Mitchell Allphin, MDNashville, TN1295313138
  6. Paul Ambrose, M.D.Knoxville, TN1316949613
  7. Steven Anderson, M.D.Chattanooga, TN1295732063
  8. Charles Ange, M.D.Knoxville, TN1952370843
  9. Christopher Areephanthu, M.D.Pleasant View, TN1558710970
  10. Joseph Armstrong, M.D.Bristol, TN1083724371

Common questions

What is Dennis C. Matzkin, M.D.'s NPI number?

Dennis C. Matzkin, M.D.'s National Provider Identifier (NPI) is 1912968371, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis C. Matzkin, M.D. located?

The NPPES record lists a practice address at 7405 Shallowford Road, Chattanooga, TN, 37421. Phone: (423) 855-8522. Providers update this record themselves, so call before visiting.

How can I verify Dennis C. Matzkin, M.D.'s license?

NPPES lists Tennessee license number 49461, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dennis C. Matzkin, M.D. prescribe under Medicare Part D?

In 2024, Dennis C. Matzkin, M.D. had 2,721 Medicare Part D claims for 797 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Dennis C. Matzkin, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.7 of 100. 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.