Lawrence B. Werlin, MD
Reproductive Endocrinology Physician · Irvine, CA
Lawrence B. Werlin, MD is a reproductive endocrinology physician with a practice address in Irvine, California, and NPI 1104988476, issued on Dec 14, 2006. Check the license (California G35968, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lawrence B. Werlin
- Credential
- MD
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- G35968 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4900 Barranca Pkwy, Irvine, CA 92604
- Phone
- (949) 726-0600
- Enumerated
- Dec 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 267 in California → Look up another NPI →
Also registered at 4900 Barranca Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gurpreet Bindra, M.D.Family Medicine Physician1609964592
- Kelly Gee, DOFamily Medicine Physician1841677390
- Cindy Jansen, CNPNurse Practitioner1619001104
- Hyun Kyung Kwak, FNP-BCFamily Nurse Practitioner1326700790
- Brian Paik, M.DFamily Medicine Physician1053506527
- Anh Tran, DOFamily Medicine Physician1528687282
Verify Lawrence B. Werlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G35968Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $74.09
3 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lawrence B. Werlin among 267 reproductive endocrinology physician records in California
Lawrence B. Werlin, MD is one of 267 reproductive endocrinology physician records with a practice address in California. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 59% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 10% of these records are
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in California
There are 267 reproductive endocrinology physician records in California.
All 267 in California → Every provider in Irvine → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Catherine Gordon, M.D.Irvine, CA 926041114307329
- Frank Yelian, MD, PHDIrvine, CA 926061639119118
- Ilene Hatch, MDIrvine, CA 926121184756884
- James Lin, M.D.Irvine, CA 926181083768832
- Sohila Zarandy, M.D.Corona Del Mar, CA 926251568553477
- Steven Presser, M.D.Murrieta, CA 925631649461179
- Jane Frederick, M.D.Laguna Hills, CA 926531417927070
- Marcus Rosencrantz, M.D.Laguna Hills, CA 926531922021989
Common questions
What is Lawrence B. Werlin, MD's NPI number?
Lawrence B. Werlin, MD's National Provider Identifier (NPI) is 1104988476, issued on Dec 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lawrence B. Werlin, MD located?
The NPPES record lists a practice address at 4900 Barranca Pkwy, Irvine, CA, 92604. Phone: (949) 726-0600. Providers update this record themselves, so call before visiting.
How can I verify Lawrence B. Werlin, MD's license?
NPPES lists California license number G35968, 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. 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.