Lucien Richard Jacobs, M.D.
Gastroenterology Physician · Tarzana, CA
Lucien Richard Jacobs, M.D. is a gastroenterology physician with a practice address in Tarzana, California, and NPI 1639155658, issued on Dec 21, 2005. Check the license (California A30329, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Lucien Richard Jacobs
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A30329 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5525 Etiwanda Ave, Tarzana, CA 91356
- Phone
- (818) 708-6070
- Enumerated
- Dec 21, 2005
- Record last updated
- Apr 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (818) 889-8005
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
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Verify Lucien Richard Jacobs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A30329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Lucien Richard Jacobs among 2,140 gastroenterology physician records in California
Lucien Richard Jacobs, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,140 in California → Every provider in Tarzana → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jim Amerian, M.D.Tarzana, CA 913561366400194
- Neil Fagen, MDTarzana, CA 913561700878428
- Sheldon Getzug, M.D.Tarzana, CA 913561750348785
- Maurice Gourdji, M.D.Tarzana, CA 913561699751586
- Kenneth Hepps, MDTarzana, CA 913561154313880
- Lori Kam, M.D.Tarzana, CA 913561144305244
- Irving Klasky, M.D.Tarzana, CA 913561184681546
- Michael Madievsky, MDTarzana, CA 913561982696613
Common questions
What is Lucien Richard Jacobs, M.D.'s NPI number?
Lucien Richard Jacobs, M.D.'s National Provider Identifier (NPI) is 1639155658, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lucien Richard Jacobs, M.D. located?
The NPPES record lists a practice address at 5525 Etiwanda Ave, Tarzana, CA, 91356. Phone: (818) 708-6070. Providers update this record themselves, so call before visiting.
How can I verify Lucien Richard Jacobs, M.D.'s license?
NPPES lists California license number A30329, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.