Janice Young Joo, MD
Neurology Physician · Arcadia, CA
Janice Young Joo, MD is a neurology physician with a practice address in Arcadia, California, and NPI 1639532187, issued on Apr 1, 2016. Check the license (California A154893, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janice Young Joo
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- A154893 CA
DR.0068885 CO
1639532187 IL
MED-PHYS-LIC-113026 MT
2024-03678 NC
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 1015 N 1St Ave, Arcadia, CA 91006
- Phone
- (626) 598-3770
- Enumerated
- Apr 1, 2016
- Record last updated
- Sep 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20240222001233); 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 1015 N 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gail Hartley, RNPNurse Practitioner1811903404
- Lise Phan, MDNeurology Physician1487031100
- Jyes Querubin, M.D.Neurology with Special Qualifications in Child Neurology Physician1154688604
Verify Janice Young Joo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average neurology physician in 2024
1,281 Medicare Part D claims for 259 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Gabapentin251 claims
- Donepezil Hcl161 claims
- Carbidopa-Levodopa97 claims
- Levetiracetam87 claims
- Olanzapine60 claims
- Primidone56 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: $2,005.25
91 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 10,858 providers of this specialty with any payment received $8,318.07 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 7 group practices
- Aspirus Medical Group, Inc.Wausau, WI
- Denver Health And Hospital AuthorityDenver, CO
- Neuromonitoring Services OF America IncAkron, OH
- Northbay Physicians Surgery Center, LLCFairfield, CA
- The Metrohealth SystemCleveland, OH
- WakemedRaleigh, NC
- West Coast Neurology, IncArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janice Young Joo among 2,339 neurology physician records in California
Janice Young Joo, MD 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 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2016 · median 2006 among the 1,628 with a school on file
- Record last updated2025 · 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 Arcadia → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Arthur An, M.D.Arcadia, CA 910061649293259
- Arnold Brizuela, M.D.Arcadia, CA 910061528325818
- Jesse Carr, M.D.Arcadia, CA 910061407935125
- Ken Fujimura, M.D.Arcadia, CA 910061629426630
- Fatima Janjua, M.D.Arcadia, CA 910061366485203
- Lise Phan, MDArcadia, CA 910061487031100
- Adeel Popalzai, D.O.Arcadia, CA 910061558508663
- Kenneth Wogensen, MDArcadia, CA 910061932109295
Common questions
What is Janice Young Joo, MD's NPI number?
Janice Young Joo, MD's National Provider Identifier (NPI) is 1639532187, issued on Apr 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Janice Young Joo, MD located?
The NPPES record lists a practice address at 1015 N 1St Ave, Arcadia, CA, 91006. Phone: (626) 598-3770. Providers update this record themselves, so call before visiting.
How can I verify Janice Young Joo, MD's license?
NPPES lists California license number A154893, 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 Janice Young Joo, MD prescribe under Medicare Part D?
In 2024, Janice Young Joo, MD had 1,281 Medicare Part D claims for 259 beneficiaries; the average among neurology physician prescribers was 1,370. 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.