Karen Jean Hanna, M.D.
Surgery Physician · Vista, CA
Karen Jean Hanna, M.D. is a surgery physician with a practice address in Vista, California, and NPI 1184687337, issued on Apr 10, 2006. Check the license (California G88851, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Jean Hanna
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- G88851 CA
2007010595 MO
MD00044306 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2385 S. Melrose Dr, Vista, CA 92081
- Phone
- (760) 300-3647
- Enumerated
- Apr 10, 2006
- Record last updated
- Jul 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (760) 482-1316
- Medicaid ID
- 204463103 MO
- Medicare enrollment
- Enrolled (PECOS I20130206000471); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1992
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Verify Karen Jean Hanna in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G88851Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average surgery physician in 2024
77 Medicare Part D claims for 28 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Omeprazole21 claims
- Pantoprazole Sodium13 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: $175.99
4 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Arch Health Partners IncVista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Jean Hanna among 3,118 surgery physician records in California
Karen Jean Hanna, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1992 · median 2003 among the 1,901 with a school on file
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Vista → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Jay Grove, M.D.Vista, CA 920811912971334
- Edward Robertson, MDVista, CA 920831861416000
- Stephen Wilson, MDVista, CA 920831902810914
- Nhien Nguyen, MDSan Marcos, CA 920781518144609
- Camellia Racu-Keefer, MDSan Marcos, CA 920781801979299
- Matthew Kozloff, M.D.San Marcos, CA 920691801933288
- Ran Luo, M.D.San Diego, CA 920931891006920
- Thomas O'KeefeLa Jolla, CA 920931669836193
Common questions
What is Karen Jean Hanna, M.D.'s NPI number?
Karen Jean Hanna, M.D.'s National Provider Identifier (NPI) is 1184687337, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Jean Hanna, M.D. located?
The NPPES record lists a practice address at 2385 S. Melrose Dr, Vista, CA, 92081. Phone: (760) 300-3647. Providers update this record themselves, so call before visiting.
How can I verify Karen Jean Hanna, M.D.'s license?
NPPES lists California license number G88851, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Jean Hanna, M.D. prescribe under Medicare Part D?
In 2024, Karen Jean Hanna, M.D. had 77 Medicare Part D claims for 28 beneficiaries; the average among surgery physician prescribers was 147. 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.