NPPES file of Aug 9, 2026

Mark A. Houser, O.D.

Optometrist · Bloomington, IN

Mark A. Houser, O.D. is an optometrist with a practice address in Bloomington, Indiana, and NPI 1740472216, issued on Aug 17, 2007. Check the license (Indiana 18003478A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1740472216
Name
Mark A. Houser
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
18003478A IN
Self-reported in NPPES; status is on the state search
Practice location
3818 W Woodyard RD, Bloomington, IN 47404
Phone
(812) 325-3611
Enumerated
Aug 17, 2007
Record last updated
Aug 15, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
200882060 IN
Medicare enrollment
Enrolled (PECOS I20071030000510); accepts Medicare assignment
Medical or professional school
Indiana University - School Of Optometry, 2005
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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Verify Mark A. Houser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 18003478A
    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
Find the Indiana license search

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92% fewer Medicare Part D claims than the average optometrist in 2024

21 Medicare Part D claims for 15 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Mark Houser21
  2. Specialty average277

Most prescribed

  1. Neomycin-Polymyxin-Dexameth13 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.

Industry payments in 2024: $200.37

5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Houser$200.37
  2. Specialty average$769.99

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. City Optical CO IncBloomington, IN

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

Mark A. Houser among 1,578 optometrist records in Indiana

Mark A. Houser, O.D. is one of 1,578 optometrist records with a practice address in Indiana. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.

  • NPI issued2007 · 47% of these records are older, 43% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2005 · median 2008 among the 1,014 with a school on file
  • Record last updated2013 · 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 152W00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

102 optometrist records list a practice address in Bloomington

They are 102 of the 3,287 NPPES records with a practice address in Bloomington, and 1,578 optometrist records in Indiana.

The 8 optometrist records with the nearest ZIP codes

  1. Norah Alturki, ODBloomington, IN 474041902382872
  2. Robert Gammon, ODBloomington, IN 474041104884071
  3. Ron Hawkins, O.D.Bloomington, IN 474041548300031
  4. Margaret McCalla-Jackson, ODBloomington, IN 474041164465365
  5. Denver McDaniel, O.D.Bloomington, IN 474041760610265
  6. Dawn Meyer, O.D.Bloomington, IN 474041902167109
  7. Brenton Ormiston, O.D.Bloomington, IN 474041245301746
  8. Zachary Rossman, O.D.Bloomington, IN 474041760644454

Common questions

What is Mark A. Houser, O.D.'s NPI number?

Mark A. Houser, O.D.'s National Provider Identifier (NPI) is 1740472216, issued on Aug 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Houser, O.D. located?

The NPPES record lists a practice address at 3818 W Woodyard RD, Bloomington, IN, 47404. Phone: (812) 325-3611. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Houser, O.D.'s license?

NPPES lists Indiana license number 18003478A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Mark A. Houser, O.D. prescribe under Medicare Part D?

In 2024, Mark A. Houser, O.D. had 21 Medicare Part D claims for 15 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

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.