Cathy Lynn Logan, MD
Infectious Disease Physician · San Diego, CA
Cathy Lynn Logan, MD is an infectious disease physician with a practice address in San Diego, California, and NPI 1467664169, issued on May 4, 2007. Check the license (California A108361, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cathy Lynn Logan
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A108361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4094 4TH Ave, San Diego, CA 92103
- Phone
- (619) 515-2545
- Enumerated
- May 4, 2007
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121221000048); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 4094 4TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan AllenMarriage & Family Therapist1780939470
- Jennifer Asuncion, LCSWClinical Social Worker1083056279
- Renaldo Barrios, NPAdult Health Nurse Practitioner1609865740
- Donald Beeler, NPFamily Nurse Practitioner1356705529
- Lisa Benton, ARNPFamily Nurse Practitioner1487933545
- Chase Billotte, DPTPhysical Therapist1689064214
Verify Cathy Lynn Logan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A108361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average infectious disease physician in 2024
147 Medicare Part D claims for 46 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Sulfamethoxazole-Trimethoprim21 claims
- Imipenem-Cilastatin Sodium16 claims
- Amoxicillin-Clavulanate Potass11 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 University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cathy Lynn Logan among 1,119 infectious disease physician records in California
Cathy Lynn Logan, MD 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 41% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2003 among the 735 with a school on file
- Record last updated2018 · 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 San Diego → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Saima Aslam, M.D.San Diego, CA 921031477565257
- Constance Benson, M.D.San Diego, CA 921031871541664
- Ajay Bharti, MDSan Diego, CA 921031902954910
- Sara Browne, M.DSan Diego, CA 921031275571176
- Joshua Fierer, M.D.San Diego, CA 921031871525584
- Theodoros Katsivas, MDSan Diego, CA 921031679526164
- William Mathews, M.D.San Diego, CA 921031194773259
- Kalpana Natrajan, M.D.San Diego, CA 921031770686834
Common questions
What is Cathy Lynn Logan, MD's NPI number?
Cathy Lynn Logan, MD's National Provider Identifier (NPI) is 1467664169, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Lynn Logan, MD located?
The NPPES record lists a practice address at 4094 4TH Ave, San Diego, CA, 92103. Phone: (619) 515-2545. Providers update this record themselves, so call before visiting.
How can I verify Cathy Lynn Logan, MD's license?
NPPES lists California license number A108361, 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 Cathy Lynn Logan, MD prescribe under Medicare Part D?
In 2024, Cathy Lynn Logan, MD had 147 Medicare Part D claims for 46 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.