Andrew Jeffry Day
Endocrinology, Diabetes & Metabolism Physician · Los Angeles, CA
Andrew Jeffry Day is an endocrinology, diabetes & metabolism physician with a practice address in Los Angeles, California, and NPI 1336584515, issued on May 1, 2013. Check the license (California A143775, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Jeffry Day
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A143775 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Med Plaza, Los Angeles, CA 90024
- Phone
- (805) 494-6920
- Enumerated
- May 1, 2013
- Record last updated
- Aug 9, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180703002984); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 200 Med Plaza
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Verify Andrew Jeffry Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
4,609 Medicare Part D claims for 620 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Levothyroxine Sodium539 claims
- Metformin Hcl360 claims
- Ozempic344 claims
- Metformin Hcl Er266 claims
- Synthroid210 claims
- Jardiance161 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $196.59
12 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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
- The Regents OF The University OF CaliforniaEncino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Jeffry Day among 1,131 endocrinology, diabetes & metabolism physician records in California
Andrew Jeffry Day is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2013 · median 2003 among the 779 with a school on file
- Record last updated2018 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Los Angeles → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Deepashree Gupta, M.D.Los Angeles, CA 900241679773253
- Jeong-Hee Ku, M.D.Los Angeles, CA 900241033555164
- Kasra Navabi, MDLos Angeles, CA 900241114172897
- Harry Weisman, M.DLos Angeles, CA 900241063443349
- Flor Geola, M.D.Los Angeles, CA 900251851485049
- Michael Richman, MDLos Angeles, CA 900251972554806
- Miguel Rodriguez, MDLos Angeles, CA 900221972600880
- Stuart Goldman, MDLos Angeles, CA 900271134290026
Common questions
What is Andrew Jeffry Day's NPI number?
Andrew Jeffry Day's National Provider Identifier (NPI) is 1336584515, issued on May 1, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Jeffry Day located?
The NPPES record lists a practice address at 200 Med Plaza, Los Angeles, CA, 90024. Phone: (805) 494-6920. Providers update this record themselves, so call before visiting.
How can I verify Andrew Jeffry Day's license?
NPPES lists California license number A143775, 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 Andrew Jeffry Day prescribe under Medicare Part D?
In 2024, Andrew Jeffry Day had 4,609 Medicare Part D claims for 620 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Andrew Jeffry Day's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.