Karlynn D. Sievers, MD
Family Medicine Physician · Casper, WY
Karlynn D. Sievers, MD is a family medicine physician with a practice address in Casper, Wyoming, and NPI 1558434720, issued on Nov 16, 2006. Check the license on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Karlynn D. Sievers
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2002014698 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1522 E A St, Casper, WY 82601
- Phone
- (307) 233-6000
- Enumerated
- Nov 16, 2006
- Record last updated
- Sep 20, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (307) 265-0841
- Medicaid ID
- 209167006 MO
- Medicare enrollment
- Enrolled (PECOS I20170106000567); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 400 in Wyoming → Look up another NPI →
Also registered at 1522 E A St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua AndrewStudent in an Organized Health Care Education/Training Program1629827746
- Lydia Anikin, MDStudent in an Organized Health Care Education/Training Program1871119685
- Levi Barnum, PA-CPhysician Assistant1235855792
- Sherri Bates, L.P.N.Licensed Practical Nurse1194842252
- Erin Beck, R.N.Ambulatory Women's Health Care Registered Nurse1629195631
- Wyatt Bell, DOStudent in an Organized Health Care Education/Training Program1831987130
Verify Karlynn D. Sievers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average family medicine physician in 2024
1,560 Medicare Part D claims for 244 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 72 claims were for opioids.
Most prescribed
- Atorvastatin Calcium98 claims
- Metformin Hcl72 claims
- Levothyroxine Sodium69 claims
- Lisinopril46 claims
- Gabapentin42 claims
- Metoprolol Succinate36 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.
Industry payments in 2024: $4,141.42
4 payments; by number, the most common kind was compensation for serving as faculty or as a speaker for a medical education program; the largest payer was Organon Llc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- St Marys Hospital And Medical Center IncGrand Junction, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karlynn D. Sievers among 400 family medicine physician records in Wyoming
Karlynn D. Sievers, MD is one of 400 family medicine physician records with a practice address in Wyoming. 80% 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, 55% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2001 · median 2009 among the 229 with a school on file
- Record last updated2010 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
85 family medicine physician records list a practice address in Casper
They are 85 of the 1,924 NPPES records with a practice address in Casper, and 400 family medicine physician records in Wyoming.
All 400 in Wyoming → Every provider in Casper → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sean Beyer, MDCasper, WY 826011700809209
- Eugene Duquette, D.O.Casper, WY 826011174573661
- Dana Ideen, M.D.Casper, WY 826011558375477
- Sharon Karnes, M.D.Casper, WY 826011962440487
- Nathan KerCasper, WY 826011689699589
- Jason LloydCasper, WY 826011841298536
- Michael Miller, DOCasper, WY 826011548201213
- Jeffrey Preston, M.D.Casper, WY 826011508891078
Common questions
What is Karlynn D. Sievers, MD's NPI number?
Karlynn D. Sievers, MD's National Provider Identifier (NPI) is 1558434720, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karlynn D. Sievers, MD located?
The NPPES record lists a practice address at 1522 E A St, Casper, WY, 82601. Phone: (307) 233-6000. Providers update this record themselves, so call before visiting.
How can I verify Karlynn D. Sievers, MD's license?
Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karlynn D. Sievers, MD prescribe under Medicare Part D?
In 2024, Karlynn D. Sievers, MD had 1,560 Medicare Part D claims for 244 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.