Gigi Ja Nea Simmons, MD
Addiction Medicine (Family Medicine) Physician · Los Angeles, CA
Gigi Ja Nea Simmons, MD is an addiction medicine (family medicine) physician with a practice address in Los Angeles, California, and NPI 1891288957, issued on Jun 12, 2018. Check the license (California A173667, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gigi Ja Nea Simmons
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- A173667 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1670 E 120TH St, Los Angeles, CA 90059
- Phone
- (424) 338-1000
- Enumerated
- Jun 12, 2018
- Record last updated
- Oct 6, 2022
- Medicare enrollment
- Enrolled (PECOS I20220513001840); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →
Also registered at 1670 E 120TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christian Achikam, OTR/LOccupational Therapist1609396415
- Celine Adriano, DOStudent in an Organized Health Care Education/Training Program1164226924
- Fareedat Ajibade, M.D.Family Medicine Physician1245692730
- Juliana AjokuAmbulatory Care Registered Nurse1013446988
- Olajumoke AkinsanyaRegistered Nurse1730894767
- Marisela Alvarez, LVNLicensed Vocational Nurse1386350536
Verify Gigi Ja Nea Simmons in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A173667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
803 Medicare Part D claims for 89 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium71 claims
- Amlodipine Besylate46 claims
- Gabapentin30 claims
- Losartan Potassium30 claims
- Metoprolol Tartrate25 claims
- Hydrocodone-Acetaminophen22 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.
Industry payments in 2024: $50.23
2 payments; by number, the most common kind was food and beverage; the largest payer was Indivior Inc. The 305 providers of this specialty with any payment received $1,151.00 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.
Gigi Ja Nea Simmons among 124 addiction medicine (family medicine) physician records in California
Gigi Ja Nea Simmons, MD is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 69% of them.
- NPI issued2018 · 69% of these records are older, 25% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2015 · median 2015 among the 64 with a school on file
- Record last updated2022 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in California
There are 124 addiction medicine (family medicine) physician records in California.
All 124 in California → Every provider in Los Angeles → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- David Koroshec, MDLos Angeles, CA 900571104912336
- Abraham Malkin, M.D.Los Angeles, CA 900481073856845
- Daniel Radnia, M.D.Los Angeles, CA 900351659394633
- William Eidelman, M.D.Los Angeles, CA 900281841442290
- Alyssa Thomas, MDLos Angeles, CA 900131518548346
- Matthew Torrington, M.D.Culver City, CA 902301568581296
- Alexander Pappas, MDVenice, CA 902911033596143
- Joy Hao, MDSanta Monica, CA 904041245543214
Common questions
What is Gigi Ja Nea Simmons, MD's NPI number?
Gigi Ja Nea Simmons, MD's National Provider Identifier (NPI) is 1891288957, issued on Jun 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gigi Ja Nea Simmons, MD located?
The NPPES record lists a practice address at 1670 E 120TH St, Los Angeles, CA, 90059. Phone: (424) 338-1000. Providers update this record themselves, so call before visiting.
How can I verify Gigi Ja Nea Simmons, MD's license?
NPPES lists California license number A173667, 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 Gigi Ja Nea Simmons, MD prescribe under Medicare Part D?
In 2024, Gigi Ja Nea Simmons, MD had 803 Medicare Part D claims for 89 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.