DR. MAY T LYNN M.D.
NPI 1992141865
Family Medicine in Pasadena, CA
About Dr. May T Lynn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAY T LYNN M.D. (NPI 1992141865) is an individual family medicine provider in Pasadena, California, licensed in California (142168) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. May T Lynn M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show May Lynn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91188 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, CA 91188
PASADENA, CA 91188
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is May Lynn's NPI number?
The NPI number for May Lynn is 1992141865. It was assigned to this individual provider in the NPPES registry on May 17, 2013.
Where is May Lynn located?
May Lynn practices at 393 E Walnut St Fl 3, Pasadena, CA 91188. The listed phone number is (626) 405-5113.
What is May Lynn's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is May Lynn enrolled in Medicare?
Yes. May Lynn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for May Lynn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), May Lynn reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for May Lynn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for May Lynn was last updated on December 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. May T Lynn, M.D. · NPI 1992141865
Family Medicine physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since May 17, 2013.
## Identity
- **NPI:** 1992141865 (Entity type: Individual)
- **Enumerated:** May 17, 2013
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 142168 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 393 E WALNUT ST FL 3, Pasadena, CA 91188-3043
- **Phone:** (626) 405-5113
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1396287082, Chino Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** December 7, 2021
- **Other identifiers:** Other 142168 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1992141865) · Data from the CMS NPPES public registry.