Frank Xing
Neurology Physician · Fountain Valley, CA
Frank Xing is a neurology physician with a practice address in Fountain Valley, California, and NPI 1750792545, issued on May 14, 2014. Check the license (California A169497, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frank Xing
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A169497 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9940 Talbert Ave Ste 100, Fountain Valley, CA 92708
- Phone
- (714) 378-5062
- Enumerated
- May 14, 2014
- Record last updated
- Sep 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200929003015); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2014
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 9940 Talbert Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deepmala Nandanwar, M.D.Neurology Physician1942685094
- Thu Vinh Nguyen, PA-CPhysician Assistant1831045541
Verify Frank Xing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A169497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average neurology physician in 2024
375 Medicare Part D claims for 49 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.
Most prescribed
- Donepezil Hcl51 claims
- Levetiracetam32 claims
- Pregabalin23 claims
- Entacapone22 claims
- Memantine Hcl20 claims
- Carbidopa-Levodopa19 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): 96.4 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: $4,257.06
176 payments; by number, the most common kind was food and beverage; the largest payer was Mdd US Operations, LLC. 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 one group practice
- Truong Neuroscience Institute Inc.Fountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frank Xing among 2,339 neurology physician records in California
Frank Xing 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 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2014 · median 2006 among the 1,628 with a school on file
- Record last updated2020 · 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 Fountain Valley → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Martin Backman, M.D.Santa Ana, CA 927081699738385
- Abdullah Ibish, MDFountain Valley, CA 927081154783397
- Tim Lai, M.D.Fountain Valley, CA 927081295094324
- Mehrdad Mahdad, M.D.Fountain Valley, CA 927081225092190
- Deepmala Nandanwar, M.D.Fountain Valley, CA 927081942685094
- Duke Phan, MDFountain Valley, CA 927081437352630
- Scott Shoemaker, MDFountain Valley, CA 927081881632784
- Daniel Truong, M.D.Fountain Valley, CA 927081992720916
Common questions
What is Frank Xing's NPI number?
Frank Xing's National Provider Identifier (NPI) is 1750792545, issued on May 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Frank Xing located?
The NPPES record lists a practice address at 9940 Talbert Ave Ste 100, Fountain Valley, CA, 92708. Phone: (714) 378-5062. Providers update this record themselves, so call before visiting.
How can I verify Frank Xing's license?
NPPES lists California license number A169497, 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 Frank Xing prescribe under Medicare Part D?
In 2024, Frank Xing had 375 Medicare Part D claims for 49 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Frank Xing's MIPS final score?
The 2023 MIPS final score is 96.4 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.