DIANA LAM MD
NPI 1659455251
Internal Medicine - Cardiovascular Disease in San Francisco, CA

Active since October 24, 2006PECOS EnrolledAccepts Medicare Assignment
98.95/100
CMS Quality Rating
1199 BUSH STREET, #560, SAN FRANCISCO, CA 94109(415) 664-9183(415) 929-8138 Get Directions Write a Review

NPPES record last updated: February 9, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Diana Lam Md NPPES

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

DIANA LAM MD (NPI 1659455251) is an individual cardiovascular disease provider in San Francisco, California, licensed in California (G45411) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1980).

NPPES Registry Identity

NPI1659455251
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDIANA LAMCredential: MD
Location Address1199 BUSH STREET, #560San Francisco, CA 94109
Mailing Address1199 Bush Street, #560San Francisco, CA 94109 · (415) 664-9183 · Fax (415) 929-8138
Fax(415) 929-8138
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1980
Enumeration DateOctober 24, 2006
Last NPPES UpdateFebruary 9, 2010
NPI 1659455251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · G45411
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License G45411 (CA)
1199 BUSH STREET, San Francisco, CA 94109

Other Identifiers 3

Medicare ID-Type Unspecified00G454111CA
Medicare UPINA50024
Medicaid00G454111CA

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

Diana Lam 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 ID5698834638
PECOS Enrollment IDI20081106000159
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 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.
56 services37 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
45 services44 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016
An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.
32 services32 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018
An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.
32 services32 patients
Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350
This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.
13 services12 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94109 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

98.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.01
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
2 suppliers12 claims22 services$5.37 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 7

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

Internal Medicine (Gastroenterology)
1199 BUSH STREET, SUITE #500
SAN FRANCISCO, CA 94109
Internal Medicine
1199 BUSH STREET, SUITE 400
SAN FRANCISCO, CA 94109
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
1199 BUSH STREET, SUITE 640
SAN FRANCISCO, CA 94109
Internal Medicine
1199 BUSH STREET, SUITE #400
SAN FRANCISCO, CA 94109
Internal Medicine
1199 BUSH STREET, SUITE # 500
SAN FRANCISCO, CA 94109
Internal Medicine
1199 BUSH STREET, SUITE 400
SAN FRANCISCO, CA 94109
Internal Medicine
1199 BUSH STREET, SUITE #500
SAN FRANCISCO, CA 94109

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 Diana Lam's NPI number?

The NPI number for Diana Lam is 1659455251. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Diana Lam located?

Diana Lam practices at 1199 Bush Street #560, San Francisco, CA 94109. The listed phone number is (415) 664-9183.

What is Diana Lam's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Diana Lam enrolled in Medicare?

Yes. Diana Lam 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.

When was this NPI record last updated?

The NPPES record for Diana Lam was last updated on February 9, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.