MARIANA D LIU D.O.
NPI 1841523180
Internal Medicine in Scottsdale, AZ

Active since September 17, 2009PECOS EnrolledAccepts Medicare Assignment
92.28/100
CMS Quality Rating
7534 E 2ND ST, 102, SCOTTSDALE, AZ 85251(480) 607-3800(480) 607-3808 Get Directions Write a Review

NPPES record last updated: January 25, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 25, 2016, Jan 21, 2016 (2 updates tracked since 2016).

About Mariana D Liu D.o. NPPES

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

MARIANA D LIU D.O. (NPI 1841523180) is an individual internal medicine provider in Scottsdale, Arizona, licensed in Arizona (005187) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2005).

NPPES Registry Identity

NPI1841523180
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARIANA D LIUCredential: D.O.
Location Address7534 E 2ND ST, 102Scottsdale, AZ 85251-4548
Mailing Address7534 E 2nd St, 102Scottsdale, AZ 85251-4548 · (480) 607-3800 · Fax (480) 607-3808
Fax(480) 607-3808
Sole ProprietorNo
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2005
Enumeration DateSeptember 17, 2009
Last NPPES UpdateJanuary 25, 20162 updates tracked since enumeration
NPI 1841523180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in AZ · 005187
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.
Also ListedHospitalistTaxonomy 208M00000X · License 005187 (AZ)
7534 E 2ND ST, Scottsdale, AZ 85251

Other Identifiers 3

Medicare PINZ147501AZ
Medicare PINZ160600AZ
Medicaid476691AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mariana D Liu D.o. 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 ID3678611233
PECOS Enrollment IDI20091119000163
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.

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
436 services138 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
94 services53 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
42 services42 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85251 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40
Cost51.21

Other Providers at the Same Location NPPES 18

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

Nurse Practitioner (Family)
7534 E 2ND ST, STE 102
SCOTTSDALE, AZ 85251
Internal Medicine
7534 E 2ND ST, 101
SCOTTSDALE, AZ 85251
Internal Medicine
7534 E 2ND ST, 102
SCOTTSDALE, AZ 85251
Internal Medicine
7534 E 2ND ST, 102
SCOTTSDALE, AZ 85251
Nurse Practitioner (Family)
7534 E 2ND ST, STE 102
SCOTTSDALE, AZ 85251
Nurse Practitioner (Adult Health)
7534 E 2ND ST, SUITE 102
SCOTTSDALE, AZ 85251
Internal Medicine
7534 E 2ND ST, 102
SCOTTSDALE, AZ 85251
Family Medicine
7534 E 2ND ST, SUITE 102
SCOTTSDALE, AZ 85251

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 Mariana Liu's NPI number?

The NPI number for Mariana Liu is 1841523180. It was assigned to this individual provider in the NPPES registry on September 17, 2009.

Where is Mariana Liu located?

Mariana Liu practices at 7534 E 2nd St 102, Scottsdale, AZ 85251. The listed phone number is (480) 607-3800.

What is Mariana Liu's specialty?

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

Is Mariana Liu enrolled in Medicare?

Yes. Mariana 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.

What insurance does Mariana Liu accept?

Health plans from Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and Oscar Insurance Company list Mariana 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 Mariana Liu was last updated on January 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.