Mary C. Blatt, OD
Optometrist · Saint Louis, MO
Mary C. Blatt, OD is an optometrist with a practice address in Saint Louis, Missouri, and NPI 1437154499, issued on Jun 16, 2005. Check the license (Missouri T03121, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary C. Blatt
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- T03121 MO
Self-reported in NPPES; status is on the state search - Practice location
- 450 N New Ballas RD, Saint Louis, MO 63141
- Phone
- (314) 362-3937
- Enumerated
- Jun 16, 2005
- Record last updated
- May 9, 2024
- Fax
- (866) 505-8818
- Medicaid ID
- 317834034 MO
- Medicare enrollment
- Enrolled (PECOS I20100717000095); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,242 in Missouri → Look up another NPI →
Also registered at 450 N New Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Steven Couch, MDOphthalmology Physician1578590634
- Joseph Craft, M.D.Cardiovascular Disease Physician1568423721
- Mary Gamache, M.D.Cardiovascular Disease Physician1639176860
Verify Mary C. Blatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license T03121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average optometrist in 2024
1,211 Medicare Part D claims for 344 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Latanoprost340 claims
- Brimonidine Tartrate141 claims
- Dorzolamide-Timolol127 claims
- Dorzolamide Hcl86 claims
- Erythromycin58 claims
- Timolol Maleate53 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): 79.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $494.45
6 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mercy Clinic Ophthalmology LLCSaint Louis, MO
- Mercy Health Services LLCWashington, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary C. Blatt among 1,242 optometrist records in Missouri
Mary C. Blatt, OD is one of 1,242 optometrist records with a practice address in Missouri. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1993 · median 2007 among the 768 with a school on file
- Record last updated2024 · 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 152W00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Missouri
There are 1,242 optometrist records in Missouri.
All 1,242 in Missouri → Every provider in Saint Louis → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Barbara Aalbers, ODSaint Louis, MO 631411366421158
- Todd Bellamy, O.D.Creve Coeur, MO 631411093711137
- Tonya Bourn, O.D.Creve Coeur, MO 631411851340152
- Michelle Burghart, ODCreve Coeur, MO 631411932111929
- Thomas Cullinane, ODSt Louis, MO 631411669546354
- David Green, ODSaint Louis, MO 631411821180670
- John McGreal, ODSaint Louis, MO 631411689661886
- Sean Mulqueeny, ODCreve Coeur, MO 631411407871296
Common questions
What is Mary C. Blatt, OD's NPI number?
Mary C. Blatt, OD's National Provider Identifier (NPI) is 1437154499, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary C. Blatt, OD located?
The NPPES record lists a practice address at 450 N New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 362-3937. Providers update this record themselves, so call before visiting.
How can I verify Mary C. Blatt, OD's license?
NPPES lists Missouri license number T03121, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Mary C. Blatt, OD prescribe under Medicare Part D?
In 2024, Mary C. Blatt, OD had 1,211 Medicare Part D claims for 344 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Mary C. Blatt, OD's MIPS final score?
The 2023 MIPS final score is 79.3 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.