NPPES file of Aug 9, 2026

Nathan Evan Osterman, O.D.

Optometrist · Cedar Park, TX

Nathan Evan Osterman, O.D. is an optometrist with a practice address in Cedar Park, Texas, and NPI 1437531381, issued on Jun 26, 2015. Check the license (Texas 9443TG, as entered in NPPES) with the Texas 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437531381
Name
Nathan Evan Osterman
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
9443TG TX
4901004909 MI
Self-reported in NPPES; status is on the state search
Practice location
11901 W Parmer LN Ste 400, Cedar Park, TX 78613
Phone
(512) 528-1144
Enumerated
Jun 26, 2015
Record last updated
Aug 4, 2022
Fax
(512) 528-1143
Medicare enrollment
Enrolled (PECOS I20190222000318); accepts Medicare assignment
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 Nathan Evan Osterman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 9443TG
    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
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2.6 times the Medicare Part D claims of the average optometrist in 2024

717 Medicare Part D claims for 268 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. Nathan Osterman717
  2. Specialty average277

Most prescribed

  1. Latanoprost182 claims
  2. Neomycin-Polymyxin-Dexameth71 claims
  3. Timolol Maleate67 claims
  4. Dorzolamide-Timolol38 claims
  5. Fluorometholone38 claims
  6. Restasis32 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): 94.1 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. Costout of 100 · 30%80.5
  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: $990.82

22 payments; by number, the most common kind was food and beverage; the largest payer was Biotissue Holdings 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. Nathan Osterman$990.82
  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. Waterloo Eye AssociatesCedar Park, TX

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

Nathan Evan Osterman among 5,006 optometrist records in Texas

Nathan Evan Osterman, O.D. is one of 5,006 optometrist records with a practice address in Texas. 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 2015, is newer than 65% of them.

  • NPI issued2015 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2015 · median 2010 among the 2,894 with a school on file
  • Record last updated2022 · 59% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 optometrist records list a practice address in Cedar Park

They are 42 of the 1,650 NPPES records with a practice address in Cedar Park, and 5,006 optometrist records in Texas.

The 8 optometrist records with the nearest ZIP codes

  1. Angela Adkins, O.D.Cedar Park, TX 786131588722284
  2. Virginia Bougher, O.D.Cedar Park, TX 786131235167677
  3. Mark Dworsky, O.D.Cedar Park, TX 786131073533675
  4. Bridgette Fuller, ODCedar Park, TX 786131528025582
  5. Loni Hoang, O.D.Cedar Park, TX 786131760532568
  6. Dipa Kodukula, O.D.Cedar Park, TX 786131730163494
  7. Oliver Lou, O.D.Cedar Park, TX 786131528154002
  8. Dennis McCarty, ODCedar Park, TX 786131083785950

Common questions

What is Nathan Evan Osterman, O.D.'s NPI number?

Nathan Evan Osterman, O.D.'s National Provider Identifier (NPI) is 1437531381, issued on Jun 26, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Evan Osterman, O.D. located?

The NPPES record lists a practice address at 11901 W Parmer LN Ste 400, Cedar Park, TX, 78613. Phone: (512) 528-1144. Providers update this record themselves, so call before visiting.

How can I verify Nathan Evan Osterman, O.D.'s license?

NPPES lists Texas license number 9443TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Nathan Evan Osterman, O.D. prescribe under Medicare Part D?

In 2024, Nathan Evan Osterman, O.D. had 717 Medicare Part D claims for 268 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Nathan Evan Osterman, O.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 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.