NPPES file of Aug 9, 2026

William D. Kottman, M.D.

Family Medicine Physician · San Antonio, TX

William D. Kottman, M.D. is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1356310858, issued on Mar 16, 2006. Check the license (Texas K5590, as entered in NPPES) on the Texas Medical Board; 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
1356310858
Name
William D. Kottman
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
K5590 TX
Self-reported in NPPES; status is on the state search
Practice location
1055 Ada St, San Antonio, TX 78223
Phone
(210) 358-5515
Enumerated
Mar 16, 2006
Record last updated
Jan 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(210) 358-5530
Medicaid ID
111862201 TX
Medicare enrollment
Enrolled (PECOS I20100209000786); accepts Medicare assignment
Medical or professional school
Texas A & M University System, Hsc, College Of Medicine, 1995
Telehealth
Offers telehealth (CMS)
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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Also registered at 1055 Ada St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erica Aguilar, PHARMDAmbulatory Care Pharmacist1285562579
  2. Marianna Ashe, MDFamily Medicine Physician1235450784
  3. Julia Atencio, PA-CPhysician Assistant1851602122
  4. Elizabeth Balyakina, MS, MPH, DOFamily Medicine Physician1275073215
  5. Albert Bararwandika, MDFamily Medicine Physician1891149381
  6. Kristee Barker, LCSWClinical Social Worker1376800896

Verify William D. Kottman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K5590
    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
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.5 times the Medicare Part D claims of the average family medicine physician in 2024

8,881 Medicare Part D claims for 655 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 352 claims were for opioids.

  1. William Kottman8,881
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium619 claims
  2. Gabapentin449 claims
  3. Amlodipine Besylate351 claims
  4. Fluticasone Propionate280 claims
  5. Ozempic234 claims
  6. Pantoprazole Sodium224 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): 89.9 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 score79.4
  2. Costout of 100 · 30%62.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. Community Medicine AssociatesSan Antonio, TX

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

William D. Kottman among 11,119 family medicine physician records in Texas

William D. Kottman, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1995 · median 2004 among the 7,095 with a school on file
  • Record last updated2021 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

809 family medicine physician records list a practice address in San Antonio

They are 809 of the 37,749 NPPES records with a practice address in San Antonio, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Marianna Ashe, MDSan Antonio, TX 782231235450784
  2. Elizabeth Balyakina, MS, MPH, DOSan Antonio, TX 782231275073215
  3. Albert Bararwandika, MDSan Antonio, TX 782231891149381
  4. Jaime Esquivel, M.D.San Antonio, TX 782231457516460
  5. Carlos Garcia Fajardo, M.D.San Antonio, TX 782231568859742
  6. Martha Guadamud Pacheco, MDSan Antonio, TX 782231275920043
  7. Robert Healing, MDSan Antonio, TX 782231881747376
  8. Holly Kaufman, M.D.San Antonio, TX 782231053380279

Common questions

What is William D. Kottman, M.D.'s NPI number?

William D. Kottman, M.D.'s National Provider Identifier (NPI) is 1356310858, issued on Mar 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William D. Kottman, M.D. located?

The NPPES record lists a practice address at 1055 Ada St, San Antonio, TX, 78223. Phone: (210) 358-5515. Providers update this record themselves, so call before visiting.

How can I verify William D. Kottman, M.D.'s license?

NPPES lists Texas license number K5590, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William D. Kottman, M.D. prescribe under Medicare Part D?

In 2024, William D. Kottman, M.D. had 8,881 Medicare Part D claims for 655 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is William D. Kottman, M.D.'s MIPS final score?

The 2023 MIPS final score is 89.9 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.