Alan Koff
Infectious Disease Physician · Sacramento, CA
Alan Koff is an infectious disease physician with a practice address in Sacramento, California, and NPI 1407239700, issued on Jul 4, 2015. Check the license (California A169164, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan Koff
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A169164 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4860 Y St Ste 0101, Sacramento, CA 95817
- Phone
- (916) 734-2737
- Enumerated
- Jul 4, 2015
- Record last updated
- Jul 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200714002608); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify Alan Koff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A169164Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average infectious disease physician in 2024
161 Medicare Part D claims for 30 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Biktarvy33 claims
- Juluca18 claims
- Sulfamethoxazole-Trimethoprim13 claims
- Cephalexin12 claims
- Fluconazole11 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
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan Koff among 1,119 infectious disease physician records in California
Alan Koff is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2003 among the 735 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Sacramento → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- David Asmuth, M.D.Sacramento, CA 958171972573046
- Carol Berry, MDSacramento, CA 958171669550307
- Stuart Cohen, M.D.Sacramento, CA 958171043290455
- Nancy Fitch, N.P.Sacramento, CA 958171720047467
- Neil Flynn, M.D., M.P.H., ABPMSacramento, CA 958171154301935
- Vera Go, M.D.Sacramento, CA 958171225012750
- Archana Maniar, M.D.Sacramento, CA 958171629058664
- Hien Nguyen, MDSacramento, CA 958171811974843
Common questions
What is Alan Koff's NPI number?
Alan Koff's National Provider Identifier (NPI) is 1407239700, issued on Jul 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Alan Koff located?
The NPPES record lists a practice address at 4860 Y St Ste 0101, Sacramento, CA, 95817. Phone: (916) 734-2737. Providers update this record themselves, so call before visiting.
How can I verify Alan Koff's license?
NPPES lists California license number A169164, 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 Alan Koff prescribe under Medicare Part D?
In 2024, Alan Koff had 161 Medicare Part D claims for 30 beneficiaries; the average among infectious disease physician prescribers was 689. 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.