Yujian Guo, M.D.
Neurology Physician · Fontana, CA
Yujian Guo, M.D. is a neurology physician with a practice address in Fontana, California, and NPI 1063680023, issued on Feb 13, 2008. Check the license (California A97549, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yujian Guo
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A97549 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9985 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-5000
- Enumerated
- Feb 13, 2008
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091026000275); 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 9985 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anje'Le AlstonSports Medicine (Internal Medicine) Physician1356970842
- Peyman Andalib, MDStudent in an Organized Health Care Education/Training Program1104028000
- Gerald ArafolOccupational Therapist1134315666
- Lovie Jay Arguelles, PTPhysical Therapist1457472920
Verify Yujian Guo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average neurology physician in 2024
1,567 Medicare Part D claims for 386 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 12 claims were for opioids.
Most prescribed
- Levetiracetam175 claims
- Gabapentin171 claims
- Carbidopa-Levodopa146 claims
- Pregabalin78 claims
- Lidocaine73 claims
- Ajovy Autoinjector68 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yujian Guo among 2,339 neurology physician records in California
Yujian Guo, M.D. 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1996 · median 2006 among the 1,628 with a school on file
- Record last updated2021 · 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 Fontana → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Omer Khayali, M.D.Fontana, CA 923351275898702
- Catalina Lim, MDFontana, CA 923351154479004
- Thomas Miller, MDFontana, CA 923351063589992
- Hong Shin, MDFontana, CA 923351255408068
- Francisco Torres, MDFontana, CA 923351417024415
- Kian-Ti Yu, MDFontana, CA 923351972670842
- Bradley Cole, M.D.Highland, CA 923461669402558
- Mohamed Elsharif, M.DHighland, CA 923461407142201
Common questions
What is Yujian Guo, M.D.'s NPI number?
Yujian Guo, M.D.'s National Provider Identifier (NPI) is 1063680023, issued on Feb 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Yujian Guo, M.D. located?
The NPPES record lists a practice address at 9985 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5000. Providers update this record themselves, so call before visiting.
How can I verify Yujian Guo, M.D.'s license?
NPPES lists California license number A97549, 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 Yujian Guo, M.D. prescribe under Medicare Part D?
In 2024, Yujian Guo, M.D. had 1,567 Medicare Part D claims for 386 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.