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DR. COLLINS LIU MD
NPI 1851547459
Psychiatry & Neurology - Behavioral Neurology & Neuropsychiatry in San Diego, CA

Active since August 14, 2008PECOS EnrolledAccepts Medicare Assignment
11120 E OCEAN AIR DR STE 101-88, SAN DIEGO, CA 92130(619) 630-8676 Get Directions Write a Review

NPPES record last updated: May 15, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 15, 2024, Apr 22, 2024, Nov 23, 2022 and 10 more (13 updates tracked since 2017).

About Dr. Collins Liu Md NPPES

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

DR. COLLINS LIU MD (NPI 1851547459) is an individual behavioral neurology & neuropsychiatry provider in San Diego, California, licensed in California (A113042) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of New York Medical College (2008).

NPPES Registry Identity

NPI1851547459
Entity TypeIndividualMale
Primary Taxonomy2084B0040X
Provider Legal NameDR. COLLINS LIUCredential: MD
Location Address11120 E OCEAN AIR DR STE 101-88San Diego, CA 92130-4683
Mailing Address11120 E Ocean Air Dr Ste 101-88San Diego, CA 92130-4683 · (619) 630-8676 · Fax (719) 249-7700
Phone(619) 630-8676
Sole ProprietorYes
Medical School CMSNew York Medical CollegeGraduated 2008
Enumeration DateAugust 14, 2008
Last NPPES UpdateMay 15, 202413 updates tracked since enumeration
NPPES CertifiedMay 15, 2024
✔ NPI 1851547459 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · Behavioral Neurology & NeuropsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084B0040X
License✔ Licensed in CA · A113042
Definition
Behavioral Neurology & Neuropsychiatry is a medical subspecialty involving the diagnosis and treatment of neurologically based behavioral issues.
Also ListedNuclear MedicineTaxonomy 207U00000X · License A113042 (CA)
Also ListedPsychiatry & Neurology · Diagnostic NeuroimagingTaxonomy 2084D0003X · License A113042 (CA)
11120 E OCEAN AIR DR STE 101-88, San Diego, CA 92130
Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Collin Liu Md

Secondary Practice Locations 2

Location 11520 San Pablo St Ste 3000Los Angeles, CA 90033-5315 · Phone (323) 442-5710
Location 2255 N Elm St Ste 205Escondido, CA 92025-3431 · Phone (858) 306-9119

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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. Collins Liu Md 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 ID4082870860
PECOS Enrollment IDI20120723000828, I20240503000816, I20240507002258, I20240510000451, I20240717003007, I20240717004371, I20240722000735
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 Reassignments

4

Medicare enrollment records show Collins Liu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Collin Liu, MD, Inc.
Same address
Medical Specialty
11120 E OCEAN AIR DR STE B101-88
San Diego, CA 92130
  • Reassigned Medicare billing, California enrollment
NPI 1518712702 (619) 630-8676
Usc Care Medical Group, Inc
97 mi
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
NPI 1902846306 (323) 442-5955
On Demand Neurology Of Ca PC
199 mi
Neurology
4900 CALIFORNIA AVE STE 210B
Bakersfield, CA 93309
  • Reassigned Medicare billing, California enrollment
  • 10 clinicians in this Medicare group
NPI 1902553886 (650) 387-6322
On Demand Neurology PA
2,432 mi
Neurology
205 E 42ND ST STE 1947
New York, NY 10017
  • Reassigned Medicare billing, Florida, New York, Ohio, Pennsylvania, Texas and Virginia enrollments
  • 16 clinicians in this Medicare group
NPI 1265016174 (313) 887-0960

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
276 services107 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
213 services76 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
82 services56 patients
Exam of neurobehavioral status, first hour 96116
An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.
60 services49 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
52 services29 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
39 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92130 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
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.

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 Collins Liu's NPI number?

The NPI number for Collins Liu is 1851547459. It was assigned to this individual provider in the NPPES registry on August 14, 2008. The provider is also known as Dr. Collin Liu MD.

Where is Collins Liu located?

Collins Liu practices at 11120 E Ocean Air Dr Ste 101-88, San Diego, CA 92130. The listed phone number is (619) 630-8676.

What is Collins Liu's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Behavioral Neurology & Neuropsychiatry, with taxonomy code 2084B0040X.

Is Collins Liu enrolled in Medicare?

Yes. Collins Liu 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 organizations bill Medicare for Collins Liu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Collins Liu reassigns Medicare benefits to 4 organizations: Collin Liu, MD, Inc. (San Diego, CA), Usc Care Medical Group, Inc (Los Angeles, CA), On Demand Neurology Of Ca PC (Bakersfield, CA) and On Demand Neurology PA (New York, NY). Each 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 Collins Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Collins Liu accept?

Health plans from Anthem Blue Cross and Blue Shield list Collins Liu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Collins Liu was last updated on May 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.