NPPES file of Aug 9, 2026

Nynke Den Hollander, MD

Hospitalist Physician · Katy, TX

Nynke Den Hollander, MD is a hospitalist physician with a practice address in Katy, Texas, and NPI 1124271812, issued on Oct 28, 2008. Check the license (Texas P1745, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124271812
Name
Nynke Den Hollander
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
P1745 TX
Self-reported in NPPES; status is on the state search
Practice location
23900 Katy Fwy, Katy, TX 77494
Phone
(281) 644-8112
Enumerated
Oct 28, 2008
Record last updated
Mar 23, 2026
Fax
(281) 644-8411
Medicare enrollment
Enrolled (PECOS I20120621000520); accepts Medicare assignment
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 23900 Katy Fwy

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

  1. Hibah AijazHospitalist Physician1154709665
  2. Morakinyo Akintola, M.D.Emergency Medicine Physician1154680973
  3. Haydar Alamiri, MDHospitalist Physician1528621687
  4. Gheyath AlbadwiHospitalist Physician1881049500
  5. Omar Arshad, MDHospitalist Physician1487394110
  6. Kelly Ballentine, D.O.Emergency Medicine Physician1659668465

Verify Nynke Den Hollander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P1745
    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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93% fewer Medicare Part D claims than the average hospitalist physician in 2024

35 Medicare Part D claims for 20 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Nynke Den Hollander35
  2. Specialty average521

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.

Bills Medicare through one group practice

  1. Memorial Hermann Medical GroupSugar Land, TX

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

Nynke Den Hollander among 1,587 hospitalist physician records in Texas

Nynke Den Hollander, MD is one of 1,587 hospitalist physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 19% of them.

  • NPI issued2008 · 19% of these records are older, 76% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated2007 · median 2013 among the 1,298 with a school on file
  • Record last updated2026 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Texas

There are 1,587 hospitalist physician records in Texas.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Hibah AijazKaty, TX 774941154709665
  2. Tope Ajibade, MDKaty, TX 774941740586411
  3. Gheyath AlbadwiKaty, TX 774941881049500
  4. Tajdeep Dhindsa, M.D.Katy, TX 774941992022081
  5. Nneamaka Enwemnwa, M.DKaty, TX 774941801026448
  6. Neil Gala, M.D.Katy, TX 774941659729028
  7. Sayyed Jaffri, M.D.Katy, TX 774941548494016
  8. Sehrish Kamal, M.D.Katy, TX 774941598172975

Common questions

What is Nynke Den Hollander, MD's NPI number?

Nynke Den Hollander, MD's National Provider Identifier (NPI) is 1124271812, issued on Oct 28, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nynke Den Hollander, MD located?

The NPPES record lists a practice address at 23900 Katy Fwy, Katy, TX, 77494. Phone: (281) 644-8112. Providers update this record themselves, so call before visiting.

How can I verify Nynke Den Hollander, MD's license?

NPPES lists Texas license number P1745, 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 Nynke Den Hollander, MD prescribe under Medicare Part D?

In 2024, Nynke Den Hollander, MD had 35 Medicare Part D claims for 20 beneficiaries; the average among hospitalist physician prescribers was 521. 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.