Isaac Van Sligtenhorst, MD
Family Medicine Physician · Spring, TX
Isaac Van Sligtenhorst, MD is a family medicine physician with a practice address in Spring, Texas, and NPI 1194105064, issued on Jun 4, 2015. Check the license (Texas S2188, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isaac Van Sligtenhorst
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- S2188 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4057 Riley Fuzzel RD Ste 1100A, Spring, TX 77386
- Phone
- (281) 602-0440
- Enumerated
- Jun 4, 2015
- Record last updated
- Nov 22, 2024
- Fax
- (281) 602-0445
- Medicare enrollment
- Enrolled (PECOS I20191214000024); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 4057 Riley Fuzzel RD Ste 1100A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kazeem Oyedele, MDFamily Medicine Physician1356090690
Verify Isaac Van Sligtenhorst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S2188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average family medicine physician in 2024
2,941 Medicare Part D claims for 412 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 100 claims were for opioids.
Most prescribed
- Atorvastatin Calcium183 claims
- Amlodipine Besylate157 claims
- Rosuvastatin Calcium122 claims
- Lisinopril76 claims
- Metformin Hcl74 claims
- Levothyroxine Sodium72 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: $50.57
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Memorial Hermann Medical GroupHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isaac Van Sligtenhorst among 11,119 family medicine physician records in Texas
Isaac Van Sligtenhorst, MD 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 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2014 · median 2004 among the 7,095 with a school on file
- Record last updated2024 · 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).
67 family medicine physician records list a practice address in Spring
They are 67 of the 3,758 NPPES records with a practice address in Spring, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Spring → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sara Bakhtiar, M.B.B.S, MDSpring, TX 773861912423054
- Crystal Broussard, MDSpring, TX 773861588688576
- Leticia Garcia-Seay, M.D.Spring, TX 773861750374062
- Cristina Hamme, M.D.Spring, TX 773861366821092
- Thu Hoang, MDSpring, TX 773861801821699
- Betsy Koickel, MDSpring, TX 773861982833646
- Huong Le, MDSpring, TX 773861043250392
- Gary Mueck, M.D.Spring, TX 773861609885979
Common questions
What is Isaac Van Sligtenhorst, MD's NPI number?
Isaac Van Sligtenhorst, MD's National Provider Identifier (NPI) is 1194105064, issued on Jun 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Van Sligtenhorst, MD located?
The NPPES record lists a practice address at 4057 Riley Fuzzel RD Ste 1100A, Spring, TX, 77386. Phone: (281) 602-0440. Providers update this record themselves, so call before visiting.
How can I verify Isaac Van Sligtenhorst, MD's license?
NPPES lists Texas license number S2188, 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 Isaac Van Sligtenhorst, MD prescribe under Medicare Part D?
In 2024, Isaac Van Sligtenhorst, MD had 2,941 Medicare Part D claims for 412 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.