Susan T. Koo, MD
Addiction Medicine (Anesthesiology) Physician · Stockton, CA
Susan T. Koo, MD is an addiction medicine (anesthesiology) physician with a practice address in Stockton, California, and NPI 1386173698, issued on Jun 8, 2017. Check the license (California A87500, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susan T. Koo
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Anesthesiology) Physician 207LA0401X
- License numbers
- A87500 CA
TPME766 FL
Self-reported in NPPES; status is on the state search - Practice location
- 8626 Lower Sacramento RD Ste 41, Stockton, CA 95210
- Phone
- (209) 478-2487
- Enumerated
- Jun 8, 2017
- Record last updated
- Jul 23, 2025
- Entity
- Type 1 · individual
8 nearest addiction medicine (anesthesiology) physician records → All 11 in California → Look up another NPI →
Also registered at 8626 Lower Sacramento RD Ste 41
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria AcevedoAddiction (Substance Use Disorder) Counselor1447903679
- Maria Alcala, LPTLicensed Psychiatric Technician1750098919
- Ken Alcantara, BSN, RN, LVNLicensed Vocational Nurse1104458280
- Danny AyalaAddiction (Substance Use Disorder) Counselor1700718459
- Richard AyalaAddiction (Substance Use Disorder) Counselor1174746044
- Jennifer BaezaAddiction (Substance Use Disorder) Counselor1841620804
Verify Susan T. Koo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average addiction medicine (anesthesiology) physician in 2024
470 Medicare Part D claims for 77 beneficiaries, against an average of 345 among the 58 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Buprenorphine-Naloxone328 claims
- Buprenorphine Hcl73 claims
- Ibuprofen19 claims
- Gabapentin16 claims
- Suboxone11 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.
Susan T. Koo among 11 addiction medicine (anesthesiology) physician records in California
Susan T. Koo, MD is one of 11 addiction medicine (anesthesiology) physician records with a practice address in California. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 73% of them.
- NPI issued2017 · 73% of these records are older, 18% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LA0401X 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 (Anesthesiology) Physician providers in California
There are 11 addiction medicine (anesthesiology) physician records in California.
All 11 in California → Every provider in Stockton → Addiction Medicine (Anesthesiology) Physician nationwide →
The 8 addiction medicine (anesthesiology) physician records with the nearest ZIP codes
- Suma Singh, MDSan Jose, CA 951281982764734
- James Spitler, M.D.Santa Cruz, CA 950621487630109
- Brian Harris, MDMenlo Park, CA 940251396904785
- Christopher FontayneVentura, CA 930011215730056
- Daniel Bouland, MDOrange, CA 928681720308737
- Malcolm Wehrle, M.D.Anaheim, CA 928051316968282
- Brian McLean, M.D.Loma Linda, CA 923541316173354
- Bee Ramirez, M.D.Fontana, CA 923351639807217
Common questions
What is Susan T. Koo, MD's NPI number?
Susan T. Koo, MD's National Provider Identifier (NPI) is 1386173698, issued on Jun 8, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Susan T. Koo, MD located?
The NPPES record lists a practice address at 8626 Lower Sacramento RD Ste 41, Stockton, CA, 95210. Phone: (209) 478-2487. Providers update this record themselves, so call before visiting.
How can I verify Susan T. Koo, MD's license?
NPPES lists California license number A87500, 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 Susan T. Koo, MD prescribe under Medicare Part D?
In 2024, Susan T. Koo, MD had 470 Medicare Part D claims for 77 beneficiaries; the average among addiction medicine (anesthesiology) physician prescribers was 345. 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.