ALLISON M LEONG M.D.
NPI 1952440562
Obstetrics & Gynecology in Santa Monica, CA

Q: What is Allison Leong's NPI number?

The NPI number for Allison Leong is 1952440562. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Q: What is Allison Leong's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Allison Leong was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 February 06, 2007PECOS Enrolled

12.63/100

CMS Quality Rating

2121 WILSHIRE BLVD, SUITE 303, SANTA MONICA, CA 90403(310) 264-1777(310) 264-1787 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Allison M Leong M.d. NPPES

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

ALLISON M LEONG M.D. (NPI 1952440562) is an individual obstetrics & gynecology provider in Santa Monica, California, licensed in California (G48658) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1981).

NPPES Registry Identity

NPI1952440562

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameALLISON M LEONGCredential: M.D.

Location Address2121 WILSHIRE BLVD, SUITE 303Santa Monica, CA 90403-5720

Mailing Address2121 Wilshire Blvd, Suite 303Santa Monica, CA 90403-5720 · (310) 264-1777 · Fax (310) 264-1787

Phone(310) 264-1777

Fax(310) 264-1787

Sole ProprietorNo

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1981

Enumeration DateFebruary 6, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1952440562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G48658

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

2121 WILSHIRE BLVD, Santa Monica, CA 90403

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Other Identifiers 3

Medicare UPINC35842

Medicare ID-Type UnspecifiedWG48658A

OtherG48658CA · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allison M Leong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931362589

PECOS Enrollment IDI20120518000499

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 7

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.

426 services397 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

66 services62 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

44 services44 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.

33 services29 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

22 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90403 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

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

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.

12.63/100

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

Individually scored

Quality

Improvement Activities

Cost

42.12

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.

DR. JAMIE ANN ELSON-WOLIN M.D.

Family Medicine

2121 WILSHIRE BLVD, SUITE 306
SANTA MONICA, CA 90403

Los Angeles County (310) 264-0765

RYAN CARTER

Podiatrist

2121 WILSHIRE BLVD, STE 101
SANTA MONICA, CA 90403

Los Angeles County (310) 828-0011

JOHN B. BORNSTEIN, M.D., INC.

Anesthesiology

2121 WILSHIRE BLVD
SANTA MONICA, CA 90403

Los Angeles County (310) 264-7300

ERNEST LOUIS PRUDENTE MD

Internal Medicine

2121 WILSHIRE BLVD, #306
SANTA MONICA, CA 90403

Los Angeles County (310) 829-7762

2121 SURGERY CENTER LIMITED PARTNERSHIP

Clinic/Center (Ambulatory Surgical)

2121 WILSHIRE BLVD, SUITE 201
SANTA MONICA, CA 90403

Los Angeles County (310) 264-7300

ROBERT ELI COLE MD

Surgery

2121 WILSHIRE BLVD, #302
SANTA MONICA, CA 90403

Los Angeles County (310) 829-4469

ELIZABETH BARON COLE R.D.N., C.H.F.S.

Dietitian, Registered

2121 WILSHIRE BLVD, STE 302
SANTA MONICA, CA 90403

Los Angeles County (310) 453-5212

RICK A RUBIN MD INC

Anesthesiology

2121 WILSHIRE BLVD, 201
SANTA MONICA, CA 90403

Los Angeles County (310) 264-7300

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 Allison Leong's NPI number?

The NPI number for Allison Leong is 1952440562. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Where is Allison Leong located?

Allison Leong practices at 2121 Wilshire Blvd Suite 303, Santa Monica, CA 90403. The listed phone number is (310) 264-1777.

What is Allison Leong's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Allison Leong enrolled in Medicare?

Yes. Allison Leong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Allison Leong was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.