Irina Jasper, MD
Internal Medicine Physician · Pasadena, CA
Irina Jasper, MD is an internal medicine physician with a practice address in Pasadena, California, and NPI 1356421903, issued on Oct 17, 2006. Check the license (California A73109, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Irina Jasper
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A73109 CA
Self-reported in NPPES; status is on the state search - Practice location
- 960 E Green Street, Pasadena, CA 91106
- Phone
- (626) 356-0340
- Enumerated
- Oct 17, 2006
- Record last updated
- Mar 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (626) 356-0390
- Medicaid ID
- 5580036 CA
- Medicare enrollment
- Enrolled (PECOS I20040624001126); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Irina Jasper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A73109Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
6,021 Medicare Part D claims for 406 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 80 claims were for opioids.
Most prescribed
- Amlodipine Besylate345 claims
- Atorvastatin Calcium324 claims
- Levothyroxine Sodium235 claims
- Losartan Potassium195 claims
- Rosuvastatin Calcium191 claims
- Escitalopram Oxalate161 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: $67.50
3 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Irina Jasper among 17,696 internal medicine physician records in California
Irina Jasper, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1993 · median 2004 among the 11,065 with a school on file
- Record last updated2014 · 61% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
137 internal medicine physician records list a practice address in Pasadena
They are 137 of the 10,525 NPPES records with a practice address in Pasadena, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Pasadena → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Abrahamian, M.D.Pasadena, CA 911061568812196
- Robert Cann, M.D.Pasadena, CA 911061205939659
- Cindy Carson, MDPasadena, CA 911061891982633
- Anthony Koerner, M.D.Pasadena, CA 911061487620357
- Marilynn Moore, MDPasadena, CA 911061306824545
- Gregor Paronian, M.D.Pasadena, CA 911061366627945
- Thirumala Raju, MDPasadena, CA 911061447346002
- Sahniah Siciarz-Lambert, M.D.Pasadena, CA 911061215268917
Common questions
What is Irina Jasper, MD's NPI number?
Irina Jasper, MD's National Provider Identifier (NPI) is 1356421903, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irina Jasper, MD located?
The NPPES record lists a practice address at 960 E Green Street, Pasadena, CA, 91106. Phone: (626) 356-0340. Providers update this record themselves, so call before visiting.
How can I verify Irina Jasper, MD's license?
NPPES lists California license number A73109, 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 Irina Jasper, MD prescribe under Medicare Part D?
In 2024, Irina Jasper, MD had 6,021 Medicare Part D claims for 406 beneficiaries; 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.