NPPES file of Aug 9, 2026

Nathan Muehlstein

Physician Assistant · Alvin, TX

Nathan Muehlstein is a physician assistant with a practice address in Alvin, Texas, and NPI 1720451123, issued on Nov 6, 2015. Check the license with the Texas board that licenses this profession; 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
1720451123
Name
Nathan Muehlstein
Primary taxonomy
Physician Assistant 363A00000X
Practice location
215 W Blackstone LN, Alvin, TX 77511
Phone
(281) 331-5253
Enumerated
Nov 6, 2015
Record last updated
Nov 6, 2015 (not updated in 11 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 215 W Blackstone LN

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

  1. Cornelia Agent, M.D. P.A.Internal Medicine Physician1457452526
  2. Eileen Francis, PAPhysician Assistant1841533916

Verify Nathan Muehlstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this professionCheck 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
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97% fewer Medicare Part D claims than the average physician assistant in 2024

27 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Nathan Muehlstein27
  2. Specialty average830

Most prescribed

  1. Testosterone Cypionate26 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.

Nathan Muehlstein among 10,999 physician assistant records in Texas

Nathan Muehlstein is one of 10,999 physician assistant records with a practice address in Texas. 74% 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 45% of them.

  • NPI issued2015 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2015 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 physician assistant records list a practice address in Alvin

They are 8 of the 275 NPPES records with a practice address in Alvin, and 10,999 physician assistant records in Texas.

The 8 physician assistant records with the nearest ZIP codes

  1. Eileen Francis, PAAlvin, TX 775111841533916
  2. Margaret Hazelton, PAAlvin, TX 775111750030698
  3. Amber Khan, PAAlvin, TX 775111396119053
  4. Byron Marshall, PA-CAlvin, TX 775111114327400
  5. Paul Prasco, P.A.-CAlvin, TX 775111760468391
  6. Cynthia Sload-Parker, P.A.-CAlvin, TX 775111770569394
  7. Lucia Tran, PA-CAlvin, TX 775111376801985
  8. Mahfoudh Beaoui, PA-CAnahuac, TX 775141306953716

Common questions

What is Nathan Muehlstein's NPI number?

Nathan Muehlstein's National Provider Identifier (NPI) is 1720451123, issued on Nov 6, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Muehlstein located?

The NPPES record lists a practice address at 215 W Blackstone LN, Alvin, TX, 77511. Phone: (281) 331-5253. Providers update this record themselves, so call before visiting.

How can I verify Nathan Muehlstein's license?

Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Nathan Muehlstein prescribe under Medicare Part D?

In 2024, Nathan Muehlstein had 27 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.