NPPES file of Aug 9, 2026

Jan Mason-Manzer, PA-C

Physician Assistant · Newcastle, WY

Jan Mason-Manzer, PA-C is a physician assistant with a practice address in Newcastle, Wyoming, and NPI 1083783054, issued on Nov 6, 2006. Check the license (Wyoming 201, as entered in NPPES) with the Wyoming 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
1083783054
Name
Jan Mason-Manzer
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
201 WY
Self-reported in NPPES; status is on the state search
Practice location
1121 Washington Ave, Newcastle, WY 82701
Phone
(307) 746-3582
Enumerated
Nov 6, 2006
Record last updated
Dec 17, 2013 (not updated in 13 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 1121 Washington Ave

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

  1. Michael Carpenter, PA-CPhysician Assistant1750362588
  2. Duane Franklin, MDFamily Medicine Physician1689767352
  3. Michael Jording, MDFamily Medicine Physician1982681383
  4. Lanny Reimer, MDFamily Medicine Physician1285713792

Verify Jan Mason-Manzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license 201
    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
Find the Wyoming license search

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26% more Medicare Part D claims than the average physician assistant in 2024

1,049 Medicare Part D claims for 107 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 28 claims were for opioids.

  1. Jan Mason-Manzer1,049
  2. Specialty average830

Most prescribed

  1. Omeprazole81 claims
  2. Atorvastatin Calcium70 claims
  3. Levothyroxine Sodium67 claims
  4. Lisinopril42 claims
  5. Simvastatin41 claims
  6. Synthroid40 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.

Jan Mason-Manzer among 260 physician assistant records in Wyoming

Jan Mason-Manzer, PA-C is one of 260 physician assistant records with a practice address in Wyoming. 78% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 76% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2013 · 48% 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 Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 physician assistant records list a practice address in Newcastle

They are 3 of the 79 NPPES records with a practice address in Newcastle, and 260 physician assistant records in Wyoming.

The 8 physician assistant records with the nearest ZIP codes

  1. Michael Carpenter, PA-CNewcastle, WY 827011750362588
  2. Gordon Steward, PANewcastle, WY 827011164494894
  3. Alison Brady, PA-CGillette, WY 827161053697920
  4. Erin Clikeman, PA-CGillette, WY 827161720417975
  5. David Custis, PA-CGillette, WY 827161477516540
  6. Jason Higgs, PAGillette, WY 827161851826408
  7. David Jenkins, P.A.Gillette, WY 827161346399185
  8. Dawn Nolan, PA-CGillette, WY 827161689638074

Common questions

What is Jan Mason-Manzer, PA-C's NPI number?

Jan Mason-Manzer, PA-C's National Provider Identifier (NPI) is 1083783054, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jan Mason-Manzer, PA-C located?

The NPPES record lists a practice address at 1121 Washington Ave, Newcastle, WY, 82701. Phone: (307) 746-3582. Providers update this record themselves, so call before visiting.

How can I verify Jan Mason-Manzer, PA-C's license?

NPPES lists Wyoming license number 201, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Jan Mason-Manzer, PA-C prescribe under Medicare Part D?

In 2024, Jan Mason-Manzer, PA-C had 1,049 Medicare Part D claims for 107 beneficiaries; 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.