NPPES file of Aug 9, 2026

Margaret A. Von Heuvel, G.N.P.

Internal Medicine Physician · Katy, TX

Margaret A. Von Heuvel, G.N.P. is an internal medicine physician with a practice address in Katy, Texas, and NPI 1679511653, issued on Jun 3, 2006. Check the license (Texas 633569, 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
1679511653
Name
Margaret A. Von Heuvel
Credential
G.N.P.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
633569 TX
Self-reported in NPPES; status is on the state search
Practice location
25145 Star LN Ste 705, Katy, TX 77494
Phone
(346) 307-7500
Enumerated
Jun 3, 2006
Record last updated
Oct 17, 2024
Fax
(346) 307-7570
Medicaid ID
2085524-01 TX
Medicare enrollment
Enrolled (PECOS I20061019000280); accepts Medicare assignment
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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Verify Margaret A. Von Heuvel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license 633569
    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

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62% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,195 Medicare Part D claims for 82 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 57 claims were for opioids.

  1. Margaret Von Heuvel1,195
  2. Specialty average3,176

Most prescribed

  1. Tramadol Hcl45 claims
  2. Levothyroxine Sodium44 claims
  3. Lisinopril44 claims
  4. Atorvastatin Calcium41 claims
  5. Amlodipine Besylate34 claims
  6. Lorazepam31 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.

Margaret A. Von Heuvel among 9,175 internal medicine physician records in Texas

Margaret A. Von Heuvel, G.N.P. is one of 9,175 internal 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2004 · median 2004 among the 6,088 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 internal medicine physician records list a practice address in Katy

They are 54 of the 5,078 NPPES records with a practice address in Katy, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Syed Ahmed, MDKaty, TX 774941184673253
  2. Vijaya Dwibhashi, M.D.Katy, TX 774941669612057
  3. Saba Jafri, MDKaty, TX 774941265822373
  4. Ranga Kattegummula, MDKaty, TX 774941275516577
  5. Christopher Levert, MDFulshear, TX 774941336594878
  6. Francisco Medrano, MDKaty, TX 774941376590299
  7. Humera Naqvi, MDKaty, TX 774941215247358
  8. Balakrishna Prabhakar, MDKaty, TX 774941821067778

Common questions

What is Margaret A. Von Heuvel, G.N.P.'s NPI number?

Margaret A. Von Heuvel, G.N.P.'s National Provider Identifier (NPI) is 1679511653, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret A. Von Heuvel, G.N.P. located?

The NPPES record lists a practice address at 25145 Star LN Ste 705, Katy, TX, 77494. Phone: (346) 307-7500. Providers update this record themselves, so call before visiting.

How can I verify Margaret A. Von Heuvel, G.N.P.'s license?

NPPES lists Texas license number 633569, 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 Margaret A. Von Heuvel, G.N.P. prescribe under Medicare Part D?

In 2024, Margaret A. Von Heuvel, G.N.P. had 1,195 Medicare Part D claims for 82 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.