Karen Wan Sze Leung, MD
Family Medicine Physician · Cheyenne, WY
Karen Wan Sze Leung, MD is a family medicine physician with a practice address in Cheyenne, Wyoming, and NPI 1730211905, issued on Mar 12, 2007. Check the license (Wyoming 7919A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen Wan Sze Leung
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 7919A WY
Self-reported in NPPES; status is on the state search - Practice location
- 214 E 23RD St, Cheyenne, WY 82001
- Phone
- (307) 632-2434
- Enumerated
- Mar 12, 2007
- Record last updated
- Jul 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (307) 634-9295
- Medicaid ID
- 1730211905 WY
- Medicare enrollment
- Enrolled (PECOS I20090114000367); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 400 in Wyoming → Look up another NPI →
Also registered at 214 E 23RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mudassir Akhter, MDPediatrics Physician1114403151
- Nikole Anderson, CPHTPharmacy Technician1376946921
- Kathern Auer, D.O.Emergency Medicine Physician1043336266
- Aminata Aw, NPAcute Care Nurse Practitioner1164037024
- Matthew Baechle, MDInternal Medicine Physician1194354613
Verify Karen Wan Sze Leung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 7919ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
346 Medicare Part D claims for 117 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 24 claims were for opioids.
Most prescribed
- Doxycycline Monohydrate79 claims
- Amoxicillin-Clavulanate Potass57 claims
- Sulfamethoxazole-Trimethoprim36 claims
- Cephalexin33 claims
- Levofloxacin26 claims
- Cefdinir13 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $71.38
3 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. 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
- Memorial Hospital OF Laramie CountyCheyenne, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Wan Sze Leung among 400 family medicine physician records in Wyoming
Karen Wan Sze Leung, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2004 · median 2009 among the 229 with a school on file
- Record last updated2021 · 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).
77 family medicine physician records list a practice address in Cheyenne
They are 77 of the 2,782 NPPES records with a practice address in Cheyenne, and 400 family medicine physician records in Wyoming.
All 400 in Wyoming → Every provider in Cheyenne → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nancy Bergquist, MD, DCCheyenne, WY 820011336290683
- Jason Bloomberg, M.D.Cheyenne, WY 820011588772115
- Deborah Brackett, MDCheyenne, WY 820011306978580
- Lisa Brandes, MDCheyenne, WY 820011720186471
- Tamara Cottam, M.D.Cheyenne, WY 820011164488185
- Joseph Dobson, M.D.Cheyenne, WY 820011184645632
- James Johnson, M.D.Cheyenne, WY 820011699870923
- Ronald Malm, DOCheyenne, WY 820011457459125
Common questions
What is Karen Wan Sze Leung, MD's NPI number?
Karen Wan Sze Leung, MD's National Provider Identifier (NPI) is 1730211905, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Wan Sze Leung, MD located?
The NPPES record lists a practice address at 214 E 23RD St, Cheyenne, WY, 82001. Phone: (307) 632-2434. Providers update this record themselves, so call before visiting.
How can I verify Karen Wan Sze Leung, MD's license?
NPPES lists Wyoming license number 7919A, as entered by the provider. 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 Karen Wan Sze Leung, MD prescribe under Medicare Part D?
In 2024, Karen Wan Sze Leung, MD had 346 Medicare Part D claims for 117 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Karen Wan Sze Leung, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.