DR. BRIAN B LO (MD) – Internal Medicine Physician, NPI 1073501565

DR. BRIAN B LO (MD) is a healthcare provider. based in Irvine, California. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. A68666 (CA). The NPI Number for DR. BRIAN B LO (MD) is 1073501565

Main info

Male
31 Years Of Experience
Accepts Medicare Assignment
Name
DR. BRIAN B LO (MD)
NPI
1073501565
Phone
(949) 503-5112
Address
7545 IRVINE CENTER DR STE 200
Enumeration Date
10 October 2005
Last Update Date
31 March 2025

Doctor Profile

Medical School Name
CHICAGO COLLEGE OF MEDICINE AND SURGERY
Secondary Phone
9495035112
Graduation Year
1995 (31 years ago)
PAC ID
9537179080
Professional Enrollment ID
I20060428000600
Address ID
CA926182933IR7545XDRXX401
Telehealth
Yes

Contacts

Secure Messaging
brian.lo@306283921211396.direct.elationemr.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

21,508 INTERNAL MEDICINE in CA

Provider Addresses for DR. BRIAN B LO (MD)

  • 7545 IRVINE CENTER DR STE 200

    IRVINE, CA 926182933

    Phone: (949) 503-5112

    Fax: (949) 503-5113

    Type: Location

  • Alicia Parkway, Laguna Niguel, Orange County, California, 92677, United States

    LAGUNA NIGUEL, CA 926772090

    Phone: (949) 400-1488

    Type: Mailing

  • Rancho Viejo Road, San Juan Capistrano, Orange County, California, 92675:92692, United States

    SAN JUAN CAPISTRANO, CA 926751582

    Phone: (949) 503-5112

    Fax: (949) 503-5113

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-04-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060428000600IInternal MedicineCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes20429$0
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days17219$0
99457Management using the results of remote vital sign monitoring per calendar month, first 20 minutes17018$0
99215Established patient office or other outpatient visit, 40-54 minutes12327$0
99213Established patient office or other outpatient visit, 20-29 minutes6925$0
View full utilization report →

Insurance plans in this area (ZIP 92618)

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Reviews

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Frequently asked questions

Is DR. BRIAN B LO (MD) listed with a National Provider Identifier?
Yes — DR. BRIAN B LO (MD) has NPI 1073501565 on file in the registry.
Is DR. BRIAN B LO (MD) still an active registrant?
DR. BRIAN B LO (MD) carries an active NPI according to the public dataset.
What expertise is attributed to DR. BRIAN B LO (MD)?
DR. BRIAN B LO (MD)'s specialty line reads Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Is DR. BRIAN B LO (MD) located near Irvine?
DR. BRIAN B LO (MD) currently maps to Irvine, California in this extract.
Can I trust this NPI listing for DR. BRIAN B LO (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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