William Allen Leavitt, M.D.
Pediatrics Physician · Los Angeles, CA
William Allen Leavitt, M.D. is a pediatrics physician with a practice address in Los Angeles, California, and NPI 1588774988, issued on Aug 30, 2006. Check the license (California G059258, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Allen Leavitt
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G059258 CA
Self-reported in NPPES; status is on the state search - Practice location
- 849 W 34TH St, Los Angeles, CA 90089
- Phone
- (213) 740-9355
- Enumerated
- Aug 30, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (213) 821-2781
- Medicare enrollment
- Enrolled (PECOS I20200120000747); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 849 W 34TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Beard Gilchrist, NPWomen's Health Nurse Practitioner1861618944
- Michael Creamer, M.D.Physician Assistant1457560153
- Yasuko Furumoto, M.D.Dermatology Physician1326265315
- Karel Kooper, M.D.Family Medicine Physician1306935564
- Emily Kumai, PA-CPhysician Assistant1437376175
- Kevin Kwak, M.D.Internal Medicine Physician1275759425
Verify William Allen Leavitt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G059258Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average pediatrics physician in 2024
843 Medicare Part D claims for 90 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate57 claims
- Atorvastatin Calcium51 claims
- Losartan Potassium37 claims
- Levothyroxine Sodium29 claims
- Metformin Hcl28 claims
- Omeprazole25 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: $205.10
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 21,580 providers of this specialty with any payment received $842.05 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
- Northeast Valley Health CorporationSan Fernando, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Allen Leavitt among 9,272 pediatrics physician records in California
William Allen Leavitt, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated1985 · median 2012 among the 754 with a school on file
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
919 pediatrics physician records list a practice address in Los Angeles
They are 919 of the 69,537 NPPES records with a practice address in Los Angeles, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Los Angeles → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Randall Chan, M.D.Los Angeles, CA 900891821269804
- Mercie Digangi, D.O.Los Angeles, CA 900891164751053
- Daniel Im, M.D.Los Angeles, CA 900891275963373
- Keith LewisLos Angeles, CA 900891093831471
- Wesley Lin, M.D.Los Angeles, CA 900891205238193
- Daniel Meza, M.D.Los Angeles, CA 900891891133658
- Debbie Milman, D.O.Los Angeles, CA 900891720344013
- Mona Motamedi, MDLos Angeles, CA 900891356642128
Common questions
What is William Allen Leavitt, M.D.'s NPI number?
William Allen Leavitt, M.D.'s National Provider Identifier (NPI) is 1588774988, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Allen Leavitt, M.D. located?
The NPPES record lists a practice address at 849 W 34TH St, Los Angeles, CA, 90089. Phone: (213) 740-9355. Providers update this record themselves, so call before visiting.
How can I verify William Allen Leavitt, M.D.'s license?
NPPES lists California license number G059258, 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 William Allen Leavitt, M.D. prescribe under Medicare Part D?
In 2024, William Allen Leavitt, M.D. had 843 Medicare Part D claims for 90 beneficiaries; the average among pediatrics physician prescribers was 375. 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.