Shannon Peterson, M.D.
Psychiatry Physician · Walnut Creek, CA
Shannon Peterson, M.D. is a psychiatry physician with a practice address in Walnut Creek, California, and NPI 1710197041, issued on May 23, 2007. Check the license (California A115681, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shannon Peterson
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A115681 CA
229585 MA
Self-reported in NPPES; status is on the state search - Practice location
- 201 N Civic Dr Ste 183, Walnut Creek, CA 94596
- Phone
- (925) 299-9033
- Enumerated
- May 23, 2007
- Record last updated
- Feb 28, 2024
- Fax
- (925) 299-9030
- Medicare enrollment
- Enrolled (PECOS I20170417000585); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 201 N Civic Dr Ste 183
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alisa Anhold-Tung, LMFTMarriage & Family Therapist1417542747
- Victoria ChigbuPsychiatric/Mental Health Nurse Practitioner1659078426
- William Fisher, M.D,Psychiatry Physician1134253354
- Carla Jean-Felix, APRN-BC, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1124415401
- Allison Shue, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1326310517
- Simrita Singh, M.D.Psychiatry Physician1326286543
Verify Shannon Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115681Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average psychiatry physician in 2024
519 Medicare Part D claims for 57 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Bupropion Xl47 claims
- Lorazepam36 claims
- Fluoxetine Hcl34 claims
- Escitalopram Oxalate33 claims
- Clonazepam31 claims
- Trazodone Hcl30 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
- Mark David Levine MD Professional CorporationWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shannon Peterson among 8,673 psychiatry physician records in California
Shannon Peterson, M.D. 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 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2006 · median 2005 among the 3,295 with a school on file
- Record last updated2024 · 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).
67 psychiatry physician records list a practice address in Walnut Creek
They are 67 of the 6,170 NPPES records with a practice address in Walnut Creek, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Walnut Creek → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Orin Bigman, MDWalnut Creek, CA 945961669550760
- Eugene Crayton, MDWalnut Creek, CA 945961740327923
- Dharmini Harichandran, M.DWalnut Creek, CA 945961386668820
- Chelvadurai Harichandran, M.DWalnut Creek, CA 945961386782860
- John Hawkins, DOWalnut Creek, CA 945961730267824
- David Ritvo, M.D.Walnut Creek, CA 945961205832094
- Michael Schwab, M.D.Walnut Creek, CA 945961093880601
- Richard Silver, MDWalnut Creek, CA 945961891873972
Common questions
What is Shannon Peterson, M.D.'s NPI number?
Shannon Peterson, M.D.'s National Provider Identifier (NPI) is 1710197041, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Shannon Peterson, M.D. located?
The NPPES record lists a practice address at 201 N Civic Dr Ste 183, Walnut Creek, CA, 94596. Phone: (925) 299-9033. Providers update this record themselves, so call before visiting.
How can I verify Shannon Peterson, M.D.'s license?
NPPES lists California license number A115681, 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 Shannon Peterson, M.D. prescribe under Medicare Part D?
In 2024, Shannon Peterson, M.D. had 519 Medicare Part D claims for 57 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.