LORRAINE PENG NP
NPI 1033931993
Nurse Practitioner - Psychiatric/Mental Health in San Diego, CA

Active since October 30, 2024PECOS EnrolledAccepts Medicare Assignment
3900 5TH AVE STE 300, SAN DIEGO, CA 92103(858) 554-1212(858) 795-1195 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lorraine Peng Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LORRAINE PENG NP (NPI 1033931993) is an individual psychiatric/mental health provider in San Diego, California, licensed in California (95032630) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1033931993
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameLORRAINE PENGCredential: NP
Location Address3900 5TH AVE STE 300San Diego, CA 92103-3138
Mailing Address3900 5th Ave Ste 300San Diego, CA 92103-3138 · (858) 554-1212 · Fax (858) 795-1195
Fax(858) 795-1195
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateOctober 30, 2024
Last NPPES UpdateApril 25, 2025
NPPES CertifiedApril 25, 2025
✔ NPI 1033931993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95032630
3900 5TH AVE STE 300, San Diego, CA 92103

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

Lorraine Peng Np 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.

PECOS PAC ID7911420054
PECOS Enrollment IDI20250328002333
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lorraine Peng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Primary Care
9850 GENESEE AVE STE 320
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • 341 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 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
3900 5TH AVE STE 300
SAN DIEGO, CA 92103
Nurse Practitioner (Family)
3900 5TH AVE STE 300
SAN DIEGO, CA 92103
Nurse Practitioner
3900 5TH AVE STE 300
SAN DIEGO, CA 92103
Nurse Practitioner
3900 5TH AVE STE 300
SAN DIEGO, CA 92103
Physician Assistant
3900 5TH AVE STE 300
SAN DIEGO, CA 92103
Physician Assistant
3900 5TH AVE STE 300
SAN DIEGO, CA 92103
General Practice
3900 5TH AVE STE 300
SAN DIEGO, CA 92103
Nurse Practitioner (Family)
3900 5TH AVE STE 300
SAN DIEGO, CA 92103

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 Lorraine Peng's NPI number?

The NPI number for Lorraine Peng is 1033931993. It was assigned to this individual provider in the NPPES registry on October 30, 2024.

Where is Lorraine Peng located?

Lorraine Peng practices at 3900 5th Ave Ste 300, San Diego, CA 92103. The listed phone number is (858) 554-1212.

What is Lorraine Peng's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Lorraine Peng enrolled in Medicare?

Yes. Lorraine Peng 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 Lorraine Peng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lorraine Peng reassigns Medicare benefits to Monica Perlman MD Inc. (La Jolla, 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 Lorraine Peng'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 Lorraine Peng was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.