Mari Ann Keithahn, M.D.
Ophthalmology Physician · Columbia, MO
Mari Ann Keithahn, M.D. is an ophthalmology physician with a practice address in Columbia, Missouri, and NPI 1902880313, issued on Nov 30, 2005. Check the license (Missouri 111416, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mari Ann Keithahn
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 111416 MO
Self-reported in NPPES; status is on the state search - Practice location
- 105 N Keene St Ste 102, Columbia, MO 65201
- Phone
- (573) 777-8738
- Enumerated
- Nov 30, 2005
- Record last updated
- Jun 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (573) 777-8739
- Medicaid ID
- 208468504 MO
- Medicare enrollment
- Enrolled (PECOS I20081111000335); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 342 in Missouri → Look up another NPI →
Verify Mari Ann Keithahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 111416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average ophthalmology physician in 2024
281 Medicare Part D claims for 73 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Atropine Sulfate56 claims
- Neomycin-Polymyxin-Dexameth55 claims
- Difluprednate46 claims
- Prednisolone Acetate43 claims
- Dorzolamide Hcl19 claims
- Brimonidine Tartrate15 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): 100 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $68.50
1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mari Ann Keithahn among 342 ophthalmology physician records in Missouri
Mari Ann Keithahn, M.D. is one of 342 ophthalmology physician records with a practice address in Missouri. 74% 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, 76% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1990 · median 1999 among the 202 with a school on file
- Record last updated2021 · 67% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Missouri
There are 342 ophthalmology physician records in Missouri.
All 342 in Missouri → Every provider in Columbia → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Mohannad Al-Samarraie, M.DColumbia, MO 652011013257575
- Joseph Arnold, MDColumbia, MO 652011942933569
- Roger Bonham, M.D.Columbia, MO 652011407855778
- Maggie Cardonell, M.D.Columbia, MO 652011093057630
- Geetha Davis, M.D.Columbia, MO 652011265638001
- Jason Rodier, M.D.Columbia, MO 652011801236302
- Lowell Schoengarth, M.D.Columbia, MO 652011760481071
- Billi Wallace, MDColumbia, MO 652011407812407
Common questions
What is Mari Ann Keithahn, M.D.'s NPI number?
Mari Ann Keithahn, M.D.'s National Provider Identifier (NPI) is 1902880313, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mari Ann Keithahn, M.D. located?
The NPPES record lists a practice address at 105 N Keene St Ste 102, Columbia, MO, 65201. Phone: (573) 777-8738. Providers update this record themselves, so call before visiting.
How can I verify Mari Ann Keithahn, M.D.'s license?
NPPES lists Missouri license number 111416, 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 Mari Ann Keithahn, M.D. prescribe under Medicare Part D?
In 2024, Mari Ann Keithahn, M.D. had 281 Medicare Part D claims for 73 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mari Ann Keithahn, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.