Nancy Guzman Mies, O.D.
Optometrist · San Antonio, TX
Nancy Guzman Mies, O.D. is an optometrist with a practice address in San Antonio, Texas, and NPI 1790934727, issued on Sep 15, 2008. Check the license (Texas 7318TG, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Guzman Mies
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 7318TG TX
Self-reported in NPPES; status is on the state search - Practice location
- 6626 W Loop 1604 N Ste 216, San Antonio, TX 78254
- Phone
- (210) 647-4733
- Enumerated
- Sep 15, 2008
- Record last updated
- Apr 10, 2026
- Fax
- (210) 647-4741
- Medicaid ID
- 357434501 TX
- Medicare enrollment
- Enrolled (PECOS I20090507000139); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 2008
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Verify Nancy Guzman Mies in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 7318TGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average optometrist in 2024
144 Medicare Part D claims for 51 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Ofloxacin68 claims
- Prednisolone Acetate13 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): 93 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).
Bills Medicare through one group practice
- Stuart A Terry MD PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Guzman Mies among 5,006 optometrist records in Texas
Nancy Guzman Mies, 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 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · median 2010 among the 2,894 with a school on file
- Record last updated2026 · 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).
Optometrist providers in Texas
There are 5,006 optometrist records in Texas.
All 5,006 in Texas → Every provider in San Antonio → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Erik Cummings, O.D.San Antonio, TX 782541851744825
- Donald Espiritu, ODSan Antonio, TX 782541821205170
- Vincent Herrera, ODSan Antonio, TX 782541942769674
- Adrian Heston, O.D.San Antonio, TX 782541629193552
- Courtney Ta, ODSan Antonio, TX 782541578480570
- Michael Aguilera, ODSan Antonio, TX 782531376192831
- Felipe Deleon, ODSan Antonio, TX 782531114480977
- Steven Graham, O.D.San Antonio, TX 782531013931153
Common questions
What is Nancy Guzman Mies, O.D.'s NPI number?
Nancy Guzman Mies, O.D.'s National Provider Identifier (NPI) is 1790934727, issued on Sep 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Guzman Mies, O.D. located?
The NPPES record lists a practice address at 6626 W Loop 1604 N Ste 216, San Antonio, TX, 78254. Phone: (210) 647-4733. Providers update this record themselves, so call before visiting.
How can I verify Nancy Guzman Mies, O.D.'s license?
NPPES lists Texas license number 7318TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Guzman Mies, O.D. prescribe under Medicare Part D?
In 2024, Nancy Guzman Mies, O.D. had 144 Medicare Part D claims for 51 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Nancy Guzman Mies, O.D.'s MIPS final score?
The 2023 MIPS final score is 93 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.