Joseph Leonard Grzeskiewicz, M.D.
Plastic Surgery Physician · La Jolla, CA
Joseph Leonard Grzeskiewicz, M.D. is a plastic surgery physician with a practice address in La Jolla, California, and NPI 1528156619, issued on Oct 11, 2006. Check the license (California G66889, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Leonard Grzeskiewicz
- Credential
- M.D.
- Primary taxonomy
- Plastic Surgery Physician 208200000X
- License number
- G66889 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave, La Jolla, CA 92037
- Phone
- (858) 452-2066
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (858) 452-1875
- Entity
- Type 1 · individual
8 nearest plastic surgery physician records → All 894 in California → Look up another NPI →
Also registered at 9850 Genesee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lucas BaumgartnerClinical Exercise Physiologist1679908651
Verify Joseph Leonard Grzeskiewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G66889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average plastic surgery physician in 2024
77 Medicare Part D claims for 13 beneficiaries, against an average of 93 among the 3,527 providers of this specialty who prescribed in Part D.
Most prescribed
- Ondansetron Hcl13 claims
- Celecoxib12 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: $50.55
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,683 providers of this specialty with any payment received $5,316.31 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.
Joseph Leonard Grzeskiewicz among 894 plastic surgery physician records in California
Joseph Leonard Grzeskiewicz, M.D. is one of 894 plastic surgery 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 3% of them.
- NPI issued2006 · 3% of these records are older, 61% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Plastic Surgery Physician providers in California
There are 894 plastic surgery physician records in California.
All 894 in California → Every provider in La Jolla → Plastic Surgery Physician nationwide →
The 8 plastic surgery physician records with the nearest ZIP codes
- Scott Barttelbort, M.D.La Jolla, CA 920371235249665
- Johan Brahme, M.D.La Jolla, CA 920371568512382
- Michael Brucker, M.D.La Jolla, CA 920371710034467
- Carroll Bucko, M. DLa Jolla, CA 920371386716421
- William Flynn, MDLa Jolla, CA 920371548328636
- Scott Miller, MDLa Jolla, CA 920371659482586
- Rajasekhar Nalluri, M.D.La Jolla, CA 920371245254838
- Ross Rudolph, M.D.La Jolla, CA 920371386609618
Common questions
What is Joseph Leonard Grzeskiewicz, M.D.'s NPI number?
Joseph Leonard Grzeskiewicz, M.D.'s National Provider Identifier (NPI) is 1528156619, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Leonard Grzeskiewicz, M.D. located?
The NPPES record lists a practice address at 9850 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 452-2066. Providers update this record themselves, so call before visiting.
How can I verify Joseph Leonard Grzeskiewicz, M.D.'s license?
NPPES lists California license number G66889, 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 Joseph Leonard Grzeskiewicz, M.D. prescribe under Medicare Part D?
In 2024, Joseph Leonard Grzeskiewicz, M.D. had 77 Medicare Part D claims for 13 beneficiaries; the average among plastic surgery physician prescribers was 93. 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.