Simon Ning Riccardi-Zhu, MD
Psychiatry Physician · Sacramento, CA
Simon Ning Riccardi-Zhu, MD is a psychiatry physician with a practice address in Sacramento, California, and NPI 1437809951, issued on Mar 27, 2022. Check the license (California A188527, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Simon Ning Riccardi-Zhu
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A188527 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2108 N St Ste N, Sacramento, CA 95816
- Phone
- (989) 767-9636
- Enumerated
- Mar 27, 2022
- Record last updated
- Jul 2, 2026
- Fax
- (989) 256-0546
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2108 N St Ste N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Simon Ning Riccardi-Zhu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A188527Check 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 psychiatry physician in 2024
269 Medicare Part D claims for 36 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Trazodone Hcl36 claims
- Quetiapine Fumarate29 claims
- Risperidone18 claims
- Hydroxyzine Hcl17 claims
- Clonazepam15 claims
- Escitalopram Oxalate15 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.
Simon Ning Riccardi-Zhu among 8,673 psychiatry physician records in California
Simon Ning Riccardi-Zhu, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
331 psychiatry physician records list a practice address in Sacramento
They are 331 of the 33,083 NPPES records with a practice address in Sacramento, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Sacramento → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sara Baumann, M.D.Sacramento, CA 958161629497110
- John Booth, M.D.Sacramento, CA 958161114006418
- Ian Chen, DOSacramento, CA 958161245438126
- Michael Dickerson, M.D.Sacramento, CA 958161174782288
- Glenn Hakanson, M.D.,Sacramento, CA 958161841493715
- Benjamin Kaufman, MDSacramento, CA 958161669690988
- Jeffrey Lieb, MDSacramento, CA 958161245241959
- Mary Nance, M.D.Sacramento, CA 958161154441616
Common questions
What is Simon Ning Riccardi-Zhu, MD's NPI number?
Simon Ning Riccardi-Zhu, MD's National Provider Identifier (NPI) is 1437809951, issued on Mar 27, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Simon Ning Riccardi-Zhu, MD located?
The NPPES record lists a practice address at 2108 N St Ste N, Sacramento, CA, 95816. Phone: (989) 767-9636. Providers update this record themselves, so call before visiting.
How can I verify Simon Ning Riccardi-Zhu, MD's license?
NPPES lists California license number A188527, 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 Simon Ning Riccardi-Zhu, MD prescribe under Medicare Part D?
In 2024, Simon Ning Riccardi-Zhu, MD had 269 Medicare Part D claims for 36 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.