NPPES file of Aug 9, 2026

Thomas K. Krummenacher, MD

Retina Specialist (Ophthalmology) Physician · Brentwood, MO

Thomas K. Krummenacher, MD is a retina specialist (ophthalmology) physician with a practice address in Brentwood, Missouri, and NPI 1205837978, issued on Aug 3, 2005. Check the license (Missouri R9465, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; 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
1205837978
Name
Thomas K. Krummenacher
Credential
MD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
R9465 MO
Self-reported in NPPES; status is on the state search
Practice location
1600 S Brentwood Blvd Ste 700, Brentwood, MO 63144
Phone
(314) 367-1181
Enumerated
Aug 3, 2005
Record last updated
Sep 3, 2024
Fax
(314) 968-5117
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 1600 S Brentwood Blvd Ste 700

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

  1. William Anderson, MDRetina Specialist (Ophthalmology) Physician1598225880
  2. Barton Blackorby, MDRetina Specialist (Ophthalmology) Physician1477825875
  3. Kevin Blinder, MDRetina Specialist (Ophthalmology) Physician1669476560
  4. Prithvi Bomdica, MDRetina Specialist (Ophthalmology) Physician1699149500
  5. Sabin Dang, MDRetina Specialist (Ophthalmology) Physician1740579531
  6. Alia Durrani, MDRetina Specialist (Ophthalmology) Physician1841558822

Verify Thomas K. Krummenacher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license R9465
    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 Missouri 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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21% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

489 Medicare Part D claims for 137 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.

  1. Thomas Krummenacher489
  2. Specialty average620

Most prescribed

  1. Prednisolone Acetate94 claims
  2. Ketorolac Tromethamine81 claims
  3. Dorzolamide-Timolol60 claims
  4. Timolol Maleate50 claims
  5. Latanoprost44 claims
  6. Dorzolamide Hcl37 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): 100 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. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $806.89

17 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Krummenacher$806.89
  2. Specialty average$7,667.49

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

Thomas K. Krummenacher among 50 retina specialist (ophthalmology) physician records in Missouri

Thomas K. Krummenacher, MD is one of 50 retina specialist (ophthalmology) physician records with a practice address in Missouri. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileNo · 82% of these records are
  • Record last updated2024 · 18% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 retina specialist (ophthalmology) physician records list a practice address in Brentwood

They are 20 of the 195 NPPES records with a practice address in Brentwood, and 50 retina specialist (ophthalmology) physician records in Missouri.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Barton Blackorby, MDBrentwood, MO 631441477825875
  2. Kevin Blinder, MDBrentwood, MO 631441669476560
  3. Prithvi Bomdica, MDBrentwood, MO 631441699149500
  4. Dean Burgess, M.D.St Louis, MO 631441194721134
  5. Sabin Dang, MDBrentwood, MO 631441740579531
  6. Alia Durrani, MDBrentwood, MO 631441841558822
  7. Nicholas Engelbrecht, MDBrentwood, MO 631441891791844
  8. Avinash Honasoge, MD, PHDBrentwood, MO 631441962852889

Common questions

What is Thomas K. Krummenacher, MD's NPI number?

Thomas K. Krummenacher, MD's National Provider Identifier (NPI) is 1205837978, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas K. Krummenacher, MD located?

The NPPES record lists a practice address at 1600 S Brentwood Blvd Ste 700, Brentwood, MO, 63144. Phone: (314) 367-1181. Providers update this record themselves, so call before visiting.

How can I verify Thomas K. Krummenacher, MD's license?

NPPES lists Missouri license number R9465, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas K. Krummenacher, MD prescribe under Medicare Part D?

In 2024, Thomas K. Krummenacher, MD had 489 Medicare Part D claims for 137 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

What is Thomas K. Krummenacher, MD's MIPS final score?

The 2023 MIPS final score is 100 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.