Adam John Darby
Neurology Physician · Los Angeles, CA
Adam John Darby is a neurology physician with a practice address in Los Angeles, California, and NPI 1376842898, issued on Mar 23, 2011. Check the license (California A136681, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adam John Darby
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A136681 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Ucla Medical Plz, Los Angeles, CA 90095
- Phone
- (802) 847-2700
- Enumerated
- Mar 23, 2011
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20170427001132); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 300 Ucla Medical Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Adam John Darby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A136681Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average neurology physician in 2024
3,501 Medicare Part D claims for 548 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Donepezil Hcl444 claims
- Gabapentin404 claims
- Memantine Hcl312 claims
- Carbidopa-Levodopa236 claims
- Sertraline Hcl133 claims
- Levetiracetam129 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): 90.8 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).
Bills Medicare through 3 group practices
- Regents OF The University OF California Los AngelesThousand Oaks, CA
- The Regents OF The University OF CaliforniaSanta Monica, CA
- UC RegentsLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam John Darby among 2,339 neurology physician records in California
Adam John Darby is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2011 · median 2006 among the 1,628 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Los Angeles → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- David Alexander, M.D.Los Angeles, CA 900951154371334
- Robert Baloh, MDLos Angeles, CA 900951801811252
- Ronnie Bergen, MDLos Angeles, CA 900951750353488
- Timothy Cloughesy, MDLos Angeles, CA 900951154356053
- Robert Collins, MDLos Angeles, CA 900951871518233
- Jeffrey Cummings, MDLos Angeles, CA 900951457376329
- Dawn Eliashiv, M.D.Los Angeles, CA 900951144286162
- Neeta Garg, MDLos Angeles, CA 900951649242728
Common questions
What is Adam John Darby's NPI number?
Adam John Darby's National Provider Identifier (NPI) is 1376842898, issued on Mar 23, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Adam John Darby located?
The NPPES record lists a practice address at 300 Ucla Medical Plz, Los Angeles, CA, 90095. Phone: (802) 847-2700. Providers update this record themselves, so call before visiting.
How can I verify Adam John Darby's license?
NPPES lists California license number A136681, 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 Adam John Darby prescribe under Medicare Part D?
In 2024, Adam John Darby had 3,501 Medicare Part D claims for 548 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Adam John Darby's MIPS final score?
The 2023 MIPS final score is 90.8 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.