NPPES file of Aug 9, 2026

Gary M. Ottersbach, PA-C

Medical Physician Assistant · Casper, WY

Gary M. Ottersbach, PA-C is a medical physician assistant with a practice address in Casper, Wyoming, and NPI 1699861732, issued on Oct 5, 2006. Check the license (Wyoming 115, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699861732
Name
Gary M. Ottersbach
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
115 WY
PA1001 NV
Self-reported in NPPES; status is on the state search
Practice location
2521 E 15TH St, Casper, WY 82609
Phone
(307) 472-2293
Enumerated
Oct 5, 2006
Record last updated
Mar 31, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040226000642); 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 2521 E 15TH St

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

  1. Melinda Adams, MAMental Health Counselor1902169212
  2. Megan Ayala, PMHNPPsychiatric/Mental Health Nurse Practitioner1235816646
  3. Erin Ciocarlan, COTAOccupational Therapy Assistant1336324854
  4. Greta ClarkCase Manager/Care Coordinator1912889395
  5. Christian CoulterMental Health Counselor1063304160
  6. Dawn Davies, PMHNPPsychiatric/Mental Health Nurse Practitioner1811425937

Verify Gary M. Ottersbach 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 115
    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

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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2.6 times the Medicare Part D claims of the average medical physician assistant in 2024

2,960 Medicare Part D claims for 281 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Gary Ottersbach2,960
  2. Specialty average1,148

Most prescribed

  1. Lisinopril210 claims
  2. Atorvastatin Calcium167 claims
  3. Levothyroxine Sodium149 claims
  4. Hydrochlorothiazide105 claims
  5. Gemfibrozil83 claims
  6. Metoprolol Succinate77 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 71.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score64.2
  2. Costout of 100 · 30%58.9
  3. Promoting interoperabilityout of 100 · 25%79.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $848.21

36 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gary Ottersbach$848.21
  2. Specialty average$1,055.00

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

  1. Banner Health Physicians West LLCWorland, WY

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

Gary M. Ottersbach among 91 medical physician assistant records in Wyoming

Gary M. Ottersbach, PA-C is one of 91 medical physician assistant records with a practice address in Wyoming. 67% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 64% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1987 · median 2010 among the 52 with a school on file
  • Record last updated2010 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 medical physician assistant records list a practice address in Casper

They are 25 of the 1,924 NPPES records with a practice address in Casper, and 91 medical physician assistant records in Wyoming.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Erica Costello, PA-CCasper, WY 826091760989859
  2. Valerie Goen Mockenturm, PA-CCasper, WY 826091851336598
  3. Brittany Hager, PA-CCasper, WY 826091285117903
  4. Paul Malsom, PHYSICIAN ASSISTANTCasper, WY 826091720334543
  5. Christopher Pruitt, PACasper, WY 826091629800032
  6. Karri Reliford, PA-CCasper, WY 826091881764223
  7. Jennifer Rosics, PA-CCasper, WY 826091356572580
  8. Barbara Shear, PA-CCasper, WY 826091194815225

Common questions

What is Gary M. Ottersbach, PA-C's NPI number?

Gary M. Ottersbach, PA-C's National Provider Identifier (NPI) is 1699861732, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary M. Ottersbach, PA-C located?

The NPPES record lists a practice address at 2521 E 15TH St, Casper, WY, 82609. Phone: (307) 472-2293. Providers update this record themselves, so call before visiting.

How can I verify Gary M. Ottersbach, PA-C's license?

NPPES lists Wyoming license number 115, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Gary M. Ottersbach, PA-C prescribe under Medicare Part D?

In 2024, Gary M. Ottersbach, PA-C had 2,960 Medicare Part D claims for 281 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Gary M. Ottersbach, PA-C's MIPS final score?

The 2023 MIPS final score is 71.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.