Karen Zakharian, M.D.
Internal Medicine Physician · Las Vegas, NV
Karen Zakharian, M.D. is an internal medicine physician with a practice address in Las Vegas, Nevada, and NPI 1942575725, issued on Mar 13, 2012. Check the license (Nevada 21913, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Karen Zakharian
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 21913 NV
4301106748 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5495 S Rainbow Blvd Ste 202, Las Vegas, NV 89118
- Phone
- (702) 960-4064
- Enumerated
- Mar 13, 2012
- Record last updated
- Mar 15, 2024
- Fax
- (702) 960-4863
- Medicaid ID
- 1942575725 NV
- Medicare enrollment
- Enrolled (PECOS I20220328002345); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,229 in Nevada → Look up another NPI →
Also registered at 5495 S Rainbow Blvd Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tawni Christensen, MDGeneral Practice Physician1881640662
Verify Karen Zakharian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical Examiners
Search for license 21913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
26 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Karen Zakharian among 1,229 internal medicine physician records in Nevada
Karen Zakharian, M.D. is one of 1,229 internal medicine physician records with a practice address in Nevada. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 61% of them.
- NPI issued2012 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1994 · median 2006 among the 772 with a school on file
- Record last updated2024 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
716 internal medicine physician records list a practice address in Las Vegas
They are 716 of the 65,269 NPPES records with a practice address in Las Vegas, and 1,229 internal medicine physician records in Nevada.
All 1,229 in Nevada → Every provider in Las Vegas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lawrence Allen, MDLas Vegas, NV 891181174596142
- Olivia Astor, MDLas Vegas, NV 891181275160400
- Constantine George, MDLas Vegas, NV 891181164429858
- Jeffrey Joe, M.D.Las Vegas, NV 891181588770598
- Kaveh Kashani, D.O.Las Vegas, NV 891181235343211
- David Kim, MDLas Vegas, NV 891181396705661
- Janie Kwak-Tran, M.D.Las Vegas, NV 891181497847438
- Huy Ly, MDLas Vegas, NV 891181679547525
Common questions
What is Karen Zakharian, M.D.'s NPI number?
Karen Zakharian, M.D.'s National Provider Identifier (NPI) is 1942575725, issued on Mar 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karen Zakharian, M.D. located?
The NPPES record lists a practice address at 5495 S Rainbow Blvd Ste 202, Las Vegas, NV, 89118. Phone: (702) 960-4064. Providers update this record themselves, so call before visiting.
How can I verify Karen Zakharian, M.D.'s license?
NPPES lists Nevada license number 21913, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Zakharian, M.D. prescribe under Medicare Part D?
In 2024, Karen Zakharian, M.D. had 26 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.