NPPES file of Aug 9, 2026

Daniel Katselnik, MD

Endocrinology, Diabetes & Metabolism Physician · Shavano Park, TX

Daniel Katselnik, MD is an endocrinology, diabetes & metabolism physician with a practice address in Shavano Park, Texas, and NPI 1861674855, issued on Nov 30, 2007. Check the license (Texas N1705, 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
1861674855
Name
Daniel Katselnik
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
N1705 TX
Self-reported in NPPES; status is on the state search
Practice location
4118 Pond Hill RD Bldg 3, Shavano Park, TX 78231
Phone
(210) 494-3739
Enumerated
Nov 30, 2007
Record last updated
Mar 21, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(210) 490-2164
Medicare enrollment
Enrolled (PECOS I20101012001293); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2005
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 4118 Pond Hill RD Bldg 3

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

  1. Karen Knox, ACNS-BC, ARNP, PHDAdult Health Clinical Nurse Specialist1659616514
  2. Dorota Malinowski, M.D.Endocrinology, Diabetes & Metabolism Physician1194747253
  3. Sandra Rodriguez, FNP, CDEFamily Nurse Practitioner1366516254

Verify Daniel Katselnik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N1705
    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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3% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,550 Medicare Part D claims for 424 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.

  1. Daniel Katselnik2,550
  2. Specialty average2,630

Most prescribed

  1. Ozempic259 claims
  2. Levothyroxine Sodium205 claims
  3. Synthroid172 claims
  4. Rosuvastatin Calcium142 claims
  5. Metformin Hcl138 claims
  6. Atorvastatin Calcium104 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): 100 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. Costnot scored (reweighted)
  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: $55,527.36

226 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Daniel Katselnik$55,527
  2. Specialty average$5,742

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. Diabetes And Metabolism SpecialistsShavano Park, TX

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

Daniel Katselnik among 743 endocrinology, diabetes & metabolism physician records in Texas

Daniel Katselnik, MD is one of 743 endocrinology, diabetes & metabolism physician records with a practice address in Texas. 87% 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 39% of them.

  • NPI issued2007 · 39% of these records are older, 48% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2005 · median 2004 among the 560 with a school on file
  • Record last updated2017 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 endocrinology, diabetes & metabolism physician records list a practice address in Shavano Park

They are 4 of the 138 NPPES records with a practice address in Shavano Park, and 743 endocrinology, diabetes & metabolism physician records in Texas.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Dorota Malinowski, M.D.Shavano Park, TX 782311194747253
  2. Fernando Reyes San MartinShavano Park, TX 782311619506615
  3. Michelle Welch, MDShavano Park, TX 782311891764957
  4. Andrea Alvarez Eslava, M.D.San Antonio, TX 782291154504157
  5. Gustavo Armaiz-Pena, M.D.San Antonio, TX 782291205271095
  6. Joseph Becker, MDSan Antonio, TX 782291235313321
  7. Martha Bilbatua, MDSan Antonio, TX 782331548757404
  8. Tiffany Cortes, MDSan Antonio, TX 782291972941482

Common questions

What is Daniel Katselnik, MD's NPI number?

Daniel Katselnik, MD's National Provider Identifier (NPI) is 1861674855, issued on Nov 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Katselnik, MD located?

The NPPES record lists a practice address at 4118 Pond Hill RD Bldg 3, Shavano Park, TX, 78231. Phone: (210) 494-3739. Providers update this record themselves, so call before visiting.

How can I verify Daniel Katselnik, MD's license?

NPPES lists Texas license number N1705, 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 Daniel Katselnik, MD prescribe under Medicare Part D?

In 2024, Daniel Katselnik, MD had 2,550 Medicare Part D claims for 424 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Daniel Katselnik, MD's MIPS final score?

The 2023 MIPS final score is 100 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.