Matthias H. Kapturczak, MD
Nephrology Physician · San Antonio, TX
Matthias H. Kapturczak, MD is a nephrology physician with a practice address in San Antonio, Texas, and NPI 1861429755, issued on Jun 27, 2006. Check the license (Texas M7318, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthias H. Kapturczak
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- M7318 TX
25618 AL
Self-reported in NPPES; status is on the state search - Practice location
- 4330 Medical Dr Ste 105, San Antonio, TX 78229
- Phone
- (210) 692-7228
- Enumerated
- Jun 27, 2006
- Record last updated
- Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (210) 692-9671
- Medicaid IDs
- 009942785 AL
192391401 TX
051554438 AL - Medicare enrollment
- Enrolled (PECOS I20071120000494); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 4330 Medical Dr Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wesley Calhoun, M.D.Nephrology Physician1174508659
- Meghana Chalasani, MDNephrology Physician1164832259
- Larry Davis, M.D.Nephrology Physician1386628998
- Roque Diaz Wong, M.D.Nephrology Physician1477758357
- Steven Gouge, M.D.Nephrology Physician1396729927
- Amy PhillipsAcute Care Nurse Practitioner1447729611
Verify Matthias H. Kapturczak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M7318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average nephrology physician in 2024
1,123 Medicare Part D claims for 224 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 31 claims were for opioids.
Most prescribed
- Carvedilol67 claims
- Prednisone51 claims
- Sulfamethoxazole-Trimethoprim51 claims
- Atorvastatin Calcium49 claims
- Tacrolimus49 claims
- Valganciclovir Hcl43 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $207.61
8 payments; by number, the most common kind was food and beverage; the largest payer was Veloxis Pharmaceuticals, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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 one group practice
- Methodist Physician Practices PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthias H. Kapturczak among 1,159 nephrology physician records in Texas
Matthias H. Kapturczak, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1992 · median 2001 among the 954 with a school on file
- Record last updated2020 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in San Antonio → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Fadi Abouzahr, MDSan Antonio, TX 782291982695896
- Wesley Calhoun, M.D.San Antonio, TX 782291174508659
- Larry Davis, M.D.San Antonio, TX 782291386628998
- Susan Diamond, M.D.San Antonio, TX 782291508840125
- Daniel Flood, MDSan Antonio, TX 782291851386536
- Iliana Fred-Miranda, MDSan Antonio, TX 782291851366785
- Steven Gouge, M.D.San Antonio, TX 782291396729927
- Melissa Isbell, MDSan Antonio, TX 782291881660660
Common questions
What is Matthias H. Kapturczak, MD's NPI number?
Matthias H. Kapturczak, MD's National Provider Identifier (NPI) is 1861429755, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthias H. Kapturczak, MD located?
The NPPES record lists a practice address at 4330 Medical Dr Ste 105, San Antonio, TX, 78229. Phone: (210) 692-7228. Providers update this record themselves, so call before visiting.
How can I verify Matthias H. Kapturczak, MD's license?
NPPES lists Texas license number M7318, 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 Matthias H. Kapturczak, MD prescribe under Medicare Part D?
In 2024, Matthias H. Kapturczak, MD had 1,123 Medicare Part D claims for 224 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Matthias H. Kapturczak, 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.