Nickoles Odell Mahaffey, M.D.
Psychiatry Physician · Downey, CA
Nickoles Odell Mahaffey, M.D. is a psychiatry physician with a practice address in Downey, California, and NPI 1386842037, issued on Jul 4, 2007. Check the license (California A106747, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nickoles Odell Mahaffey
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A106747 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9449 Imperial Hwy Ste A206, Downey, CA 90242
- Phone
- (562) 807-6200
- Enumerated
- Jul 4, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111011000523); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Nickoles Odell Mahaffey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A106747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average psychiatry physician in 2024
1,538 Medicare Part D claims for 266 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Trazodone Hcl183 claims
- Lorazepam158 claims
- Quetiapine Fumarate106 claims
- Bupropion Xl79 claims
- Sertraline Hcl76 claims
- Fluoxetine Hcl72 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 GroupDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nickoles Odell Mahaffey among 8,673 psychiatry physician records in California
Nickoles Odell Mahaffey, 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
- Graduated2007 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Downey → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Joshua Lichtman, D.O.Downey, CA 902421003930983
- Renee Smith, M.D.Downey, CA 902401710030812
- Ish Bhalla, MDEl Segundo, CA 902451083957187
- Vicky Ho, DOEl Segundo, CA 902451902482458
- Ayoosh Kakkar, MDEl Segundo, CA 902451669992137
- Olivia Larkin, MDEl Segundo, CA 902451881213072
- Gregory Miller, M.D.El Segundo, CA 902451174502439
- Wander Segura, M.DEl Segundo, CA 902451124342266
Common questions
What is Nickoles Odell Mahaffey, M.D.'s NPI number?
Nickoles Odell Mahaffey, M.D.'s National Provider Identifier (NPI) is 1386842037, issued on Jul 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nickoles Odell Mahaffey, M.D. located?
The NPPES record lists a practice address at 9449 Imperial Hwy Ste A206, Downey, CA, 90242. Phone: (562) 807-6200. Providers update this record themselves, so call before visiting.
How can I verify Nickoles Odell Mahaffey, M.D.'s license?
NPPES lists California license number A106747, 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 Nickoles Odell Mahaffey, M.D. prescribe under Medicare Part D?
In 2024, Nickoles Odell Mahaffey, M.D. had 1,538 Medicare Part D claims for 266 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.