Physician Profile
Unclaimed ProfileAbout LISH
Based in Ventura, CA, Benjamin Tetsu Lish, M.D. is listed in the NPI registry under family practice. Benjamin is also listed as specializing in family medicine. Medicare claims data shows Benjamin provided 1,433 services to 605 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (805) 658-5800
- Email not available
Practice Locations
120 N ASHWOOD AVE
Ventura, CA 93003
Procedures Most Often Billed to Medicare
1,433 services · 605 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
686 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
188 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
173 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
98 |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
90 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
77 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
51 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | Office visit | 99211 |
33 |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
21 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Ventura 8
Same specialty, same city.
More connections — 14 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Other 6
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Lish's specialty?
Dr. Lish is a family practice in Ventura, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where can I find Dr. Lish?
Dr. Lish is listed at 120 N ASHWOOD AVE, Ventura, CA 93003. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Lish?
The number on file is (805) 658-5800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lish?
Dr. Lish's National Provider Identifier is 1417901067. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Lish's medical education?
Dr. Lish attended Other, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lish have?
Dr. Lish has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Lish known for?
According to Medicare billing data, Dr. Lish the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lish's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lish. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.