MAI NGAN NGUYEN LAI M.D.
NPI 1477959583
Internal Medicine in Palm Springs, CA

Q: What is Mai Ngan Lai's NPI number?

The NPI number for Mai Ngan Lai is 1477959583. It was assigned to this individual provider in the NPPES registry on November 17, 2014. The provider is also known as Mai Ngan Lai M.D..

Q: What is Mai Ngan Lai's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mai Ngan Lai was last updated on October 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since November 17, 2014PECOS EnrolledAccepts Medicare Assignment

83.63/100

CMS Quality Rating

1150 N INDIAN CANYON DR, PALM SPRINGS, CA 92262(347) 237-1546 Get Directions Write a Review

NPPES record last updated: October 4, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mai Ngan Nguyen Lai M.d. NPPES

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

MAI NGAN NGUYEN LAI M.D. (NPI 1477959583) is an individual internal medicine provider in Palm Springs, California, licensed in California (138564) and active in the NPI registry since November 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1477959583

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMAI NGAN NGUYEN LAICredential: M.D.

Location Address1150 N INDIAN CANYON DRPalm Springs, CA 92262-4872

Mailing Address1150 N Indian Canyon DrPalm Springs, CA 92262-4872 · (347) 237-1546

Phone(347) 237-1546

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateNovember 17, 2014

Last NPPES UpdateOctober 4, 2017

✔ NPI 1477959583 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 · 138564

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.

1150 N INDIAN CANYON DR, Palm Springs, CA 92262

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Other Names 1

Other Name (5)Mai Ngan Lai M.d.

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

Mai Ngan Nguyen Lai M.d. 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 ID1850601113

PECOS Enrollment IDI20151117001542

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

Medicare enrollment records show Mai Ngan Lai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

First Choice Physician Partners

Same address

Family Medicine

1100 N PALM CANYON DR STE 109
Palm Springs, CA 92262

Reassigned Medicare billing, California enrollment
488 clinicians in this Medicare group

NPI 1558797118 (760) 992-7171

Galen Inpatient Physicians Inc.

Same address

Internal Medicine

1150 N INDIAN CANYON DR
Palm Springs, CA 92262

Reassigned Medicare billing, California enrollment
962 clinicians in this Medicare group

NPI 1316037021 (760) 323-6511

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 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.

788 services228 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.

203 services198 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

135 services133 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 92262 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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.

83.63/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

72.79

Promoting Interoperability

Improvement Activities

Cost

62.56

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

87%302 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

1 supplier12 claims12 services$776.46 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers13 claims13 services$92.68 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

MICHAEL OLSGAARD

Emergency Medicine