Shaparak Kamarei, MD
Internal Medicine Physician · Irvine, CA
Shaparak Kamarei, MD is an internal medicine physician with a practice address in Irvine, California, and NPI 1952409021, issued on Sep 20, 2006. Check the license (California G78688, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shaparak Kamarei
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G78688 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5581 Alton Pkwy, Irvine, CA 92618
- Phone
- (949) 453-4308
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 30, 2026
- Fax
- (949) 453-4308
- Medicare enrollment
- Enrolled (PECOS I20100818000227); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 5581 Alton Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shaparak Kamarei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,994 Medicare Part D claims for 559 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 108 claims were for opioids.
Most prescribed
- Atorvastatin Calcium525 claims
- Rosuvastatin Calcium439 claims
- Amlodipine Besylate422 claims
- Levothyroxine Sodium322 claims
- Irbesartan288 claims
- Losartan Potassium191 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: $82.38
2 payments; by number, the most common kind was food and beverage; the largest payer was Curonix 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.
Bills Medicare through 2 group practices
- Centers For Family Medicine GPRancho Santa Margarita, CA
- Healthcare Partners Affiliates Medical GroupRancho Santa Margarita, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shaparak Kamarei among 17,696 internal medicine physician records in California
Shaparak Kamarei, 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
- Graduated1992 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
155 internal medicine physician records list a practice address in Irvine
They are 155 of the 7,778 NPPES records with a practice address in Irvine, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Irvine → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Savitha Bharadwaj, M.D.Irvine, CA 926181760470926
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- Subrato Ghosh, MDIrvine, CA 926181083607055
- Kambiz Karimi, M.D.Irvine, CA 926181184688475
- Sara Kim, M.D.Irvine, CA 926181912944166
- Brian Lo, MDIrvine, CA 926181073501565
- Emad Mikhail, MDIrvine, CA 926181376582957
Common questions
What is Shaparak Kamarei, MD's NPI number?
Shaparak Kamarei, MD's National Provider Identifier (NPI) is 1952409021, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shaparak Kamarei, MD located?
The NPPES record lists a practice address at 5581 Alton Pkwy, Irvine, CA, 92618. Phone: (949) 453-4308. Providers update this record themselves, so call before visiting.
How can I verify Shaparak Kamarei, MD's license?
NPPES lists California license number G78688, 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 Shaparak Kamarei, MD prescribe under Medicare Part D?
In 2024, Shaparak Kamarei, MD had 7,994 Medicare Part D claims for 559 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.