Matthew E. Schaefer, D.O.
Nephrology Physician · San Antonio, TX
Matthew E. Schaefer, D.O. is a nephrology physician with a practice address in San Antonio, Texas, and NPI 1346205648, issued on Apr 19, 2006. Check the license (Texas M5487, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew E. Schaefer
- Credential
- D.O.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- M5487 TX
2003022259 MO
Self-reported in NPPES; status is on the state search - Practice location
- 18707 Hardy Oak Blvd Ste 530, San Antonio, TX 78258
- Phone
- (210) 495-8280
- Enumerated
- Apr 19, 2006
- Record last updated
- Aug 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (210) 481-3116
- Medicaid ID
- 190568901 TX
- Medicare enrollment
- Enrolled (PECOS I20070730000137); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2002
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 18707 Hardy Oak Blvd Ste 530
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan CamachoAcute Care Nurse Practitioner1467163733
- Amanda Day, MSN, AGACNP-BC, CCRNAcute Care Nurse Practitioner1467099796
- Hector Diaz Rodriguez, M.D.Nephrology Physician1013221274
- Rebecca Gilliam, AGACNP-BCGerontology Nurse Practitioner1255735999
- David Mata, ANPAdult Health Nurse Practitioner1790129815
Verify Matthew E. Schaefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M5487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average nephrology physician in 2024
2,087 Medicare Part D claims for 448 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Calcitriol148 claims
- Losartan Potassium137 claims
- Farxiga129 claims
- Furosemide120 claims
- Nifedipine Er103 claims
- Lisinopril97 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.
Industry payments in 2024: $1,046.58
45 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- San Antonio Kidney Disease Center Physicians Group, P.L.L.C.Kerrville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew E. Schaefer among 1,159 nephrology physician records in Texas
Matthew E. Schaefer, D.O. 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
- Graduated2002 · median 2001 among the 954 with a school on file
- Record last updated2021 · 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
- Hector Diaz Rodriguez, M.D.San Antonio, TX 782581013221274
- Rodolfo Garza, M.D.San Antonio, TX 782581184609349
- Anwar Gerges, MDSan Antonio, TX 782581922074798
- Michael Degaetano, DOSan Antonio, TX 782531881660454
- Mohamed Shafiu, MDSan Antonio, TX 782531174685648
- Bushra Yusuf, M.DSan Antonio, TX 782531104091982
- Reza Ali, MDSan Antonio, TX 782511669625448
- Tahira Alves, M.D.San Antonio, TX 782511003913617
Common questions
What is Matthew E. Schaefer, D.O.'s NPI number?
Matthew E. Schaefer, D.O.'s National Provider Identifier (NPI) is 1346205648, issued on Apr 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew E. Schaefer, D.O. located?
The NPPES record lists a practice address at 18707 Hardy Oak Blvd Ste 530, San Antonio, TX, 78258. Phone: (210) 495-8280. Providers update this record themselves, so call before visiting.
How can I verify Matthew E. Schaefer, D.O.'s license?
NPPES lists Texas license number M5487, 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 Matthew E. Schaefer, D.O. prescribe under Medicare Part D?
In 2024, Matthew E. Schaefer, D.O. had 2,087 Medicare Part D claims for 448 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
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.