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DR. LUCY J LO M.D.
NPI 1083645725
Internal Medicine in Pasadena, CA

Active since July 05, 2006PECOS Enrolled
797 S FAIR OAKS AVE # 100, PASADENA, CA 91105(626) 795-2244 Get Directions Write a Review

NPPES record last updated: November 7, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Lucy J Lo M.d. NPPES

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

DR. LUCY J LO M.D. (NPI 1083645725) is an individual internal medicine provider in Pasadena, California, licensed in California (A72703) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083645725
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LUCY J LOCredential: M.D.
Location Address797 S FAIR OAKS AVE # 100Pasadena, CA 91105-2617
Mailing Address797 S Fair Oaks Ave # 100Pasadena, CA 91105-2617 · (626) 795-2244
Phone(626) 795-2244
Sole ProprietorYes
Enumeration DateJuly 5, 2006
Last NPPES UpdateNovember 7, 2014
✔ NPI 1083645725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A72703
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
797 S FAIR OAKS AVE # 100, Pasadena, CA 91105
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Lucy J Lo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Lucy Lo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthcare Partners Affiliates Medical Group
9.9 mi
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1659312593 (213) 623-2225

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 91105 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Lucy Lo's NPI number?

The NPI number for Lucy Lo is 1083645725. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Lucy Lo located?

Lucy Lo practices at 797 S Fair Oaks Ave # 100, Pasadena, CA 91105. The listed phone number is (626) 795-2244.

What is Lucy Lo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lucy Lo enrolled in Medicare?

Yes. Lucy Lo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lucy Lo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lucy Lo reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Lucy Lo'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 Lucy Lo was last updated on November 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.