LAM DUY DANG M.D
NPI 1861662553
Family Medicine in Garden Grove, CA

Q: What is Lam Dang's NPI number?

The NPI number for Lam Dang is 1861662553. It was assigned to this individual provider in the NPPES registry on March 10, 2008.

Q: What is Lam Dang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Lam Dang was last updated on August 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 March 10, 2008PECOS EnrolledAccepts Medicare Assignment

10141 WESTMINSTER AVE, SUITE E, GARDEN GROVE, CA 92843(714) 467-4321(714) 467-4311 Get Directions Write a Review

NPPES record last updated: August 31, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Lam Duy Dang M.d NPPES

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

LAM DUY DANG M.D (NPI 1861662553) is an individual family medicine provider in Garden Grove, California, licensed in California (A104109) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fullerton, and is a graduate of Loma Linda University School Of Medicine (2006).

NPPES Registry Identity

NPI1861662553

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameLAM DUY DANGCredential: M.D

Location Address10141 WESTMINSTER AVE, SUITE EGarden Grove, CA 92843-4752

Mailing Address10141 Westminster Ave, Suite EGarden Grove, CA 92843-4752 · (714) 467-4321 · Fax (714) 467-4311

Phone(714) 467-4321

Fax(714) 467-4311

Sole ProprietorYes

Medical School CMSLoma Linda University School Of MedicineGraduated 2006

Enumeration DateMarch 10, 2008

Last NPPES UpdateAugust 31, 2020

NPPES CertifiedAugust 31, 2020

✔ NPI 1861662553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A104109

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

10141 WESTMINSTER AVE, Garden Grove, CA 92843

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Secondary Practice Location 1

Location 1101 E Valencia Mesa DrFullerton, CA 92835-3809 · Phone (714) 992-3000

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

Lam Duy Dang 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 ID4688709843

PECOS Enrollment IDI20100315000059

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 Reassignment

Medicare enrollment records show Lam Dang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Medical Foundation

5.3 mi

Hematology & Oncology

1010 W LA VETA AVE STE 200
Orange, CA 92868

Reassigned Medicare billing, California enrollment
1,699 clinicians in this Medicare group

NPI 1801443510 (714) 835-1800

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 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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

775 services176 patients

Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

183 services154 patients

Nursing facility discharge management, more than 30 minutes 99316

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

64 services63 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.

49 services20 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.

23 services23 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

22 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92843 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

Referred Medical Equipment & Supplies CMS DME claims 20

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

Walker, folding, wheeled, adjustable or fixed height E0143

DME-Other DME · category DE000N

3 suppliers14 claims14 services$40.00 avg. paid by Medicare

Commode chair, mobile or stationary, with fixed arms E0163

DME-Other DME · category DE000N

4 suppliers23 claims23 services$42.76 avg. paid by Medicare

Gel or gel-like pressure pad for mattress, standard mattress length and width E0185

DME-Other DME · category DE000N

1 supplier13 claims13 services$131.15 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

2 suppliers96 claims96 services$38.92 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261

DME-Hospital Beds · category DB000N

1 supplier54 claims54 services$39.51 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers25 claims25 services$13.68 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

2 suppliers18 claims18 services$38.79 avg. paid by Medicare

Manual wheelchair accessory, wheel lock brake extension (handle), each E0961

DME-Wheelchairs · category DD021N

3 suppliers19 claims38 services$20.38 avg. paid by Medicare

Manual wheelchair accessory, anti-tipping device, each E0971

DME-Wheelchairs · category DD021N

3 suppliers20 claims40 services$29.03 avg. paid by Medicare

Wheelchair accessory, adjustable height, detachable armrest, complete assembly, each E0973

DME-Wheelchairs · category DD021N

3 suppliers18 claims34 services$54.15 avg. paid by Medicare

Wheelchair accessory, elevating leg rest, complete assembly, each E0990

DME-Wheelchairs · category DD021N

3 suppliers19 claims38 services$67.12 avg. paid by Medicare

Wheelchair accessory, manual fully reclining back, (recline greater than 80 degrees), each E1226

DME-Wheelchairs · category DD021N

1 supplier17 claims17 services$28.93 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

6 suppliers45 claims45 services$57.02 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers17 claims17 services$29.60 avg. paid by Medicare

General use wheelchair seat cushion, width 22 inches or greater, any depth E2602

DME-Wheelchairs · category DD021N

3 suppliers19 claims19 services$74.82 avg. paid by Medicare

General use wheelchair back cushion, width less than 22 inches, any height, including any type mounting hardware E2611

DME-Wheelchairs · category DD021N

3 suppliers19 claims19 services$162.45 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

3 suppliers46 claims46 services$14.79 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

3 suppliers91 claims91 services$20.31 avg. paid by Medicare

Ultralightweight wheelchair K0005

DME-Wheelchairs · category DD000N

3 suppliers19 claims19 services$1,738.64 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

2 suppliers14 claims14 services$7.13 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.

WESTMINSTER MEDICAL OFFICE INC

Internal Medicine

10141 WESTMINSTER AVE, SUITE E
GARDEN GROVE, CA 92843

Orange County (714) 467-4321

CATHERINE NHY NGUYEN PA-C

Internal Medicine (Adolescent Medicine)

10141 WESTMINSTER AVE, SUITE E
GARDEN GROVE, CA 92843

Orange County (714) 467-4321

MISS JACLYNN J DO M.D.

Family Medicine

10141 WESTMINSTER AVE, SUITE E
GARDEN GROVE, CA 92843

Orange County (714) 467-4321

DR. ANNE VU NGUYEN D.C

Chiropractor

10141 WESTMINSTER AVE, SUITE #204
GARDEN GROVE, CA 92843

Orange County (818) 450-7351

DR. SARAH NGHIEM D.O.

Family Medicine

10141 WESTMINSTER AVE, SUITE E
GARDEN GROVE, CA 92843

Orange County (714) 467-4321

VUONG H. NGUYEN, MD, INC

Internal Medicine

10141 WESTMINSTER AVE
GARDEN GROVE, CA 92843

Orange County (714) 467-4321

SUN HYU KIM L.AC.

Acupuncturist

10141 WESTMINSTER AVE, #204
GARDEN GROVE, CA 92843

Orange County (714) 590-9872

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 Lam Dang's NPI number?

The NPI number for Lam Dang is 1861662553. It was assigned to this individual provider in the NPPES registry on March 10, 2008.

Where is Lam Dang located?

Lam Dang practices at 10141 Westminster Ave Suite E, Garden Grove, CA 92843. The listed phone number is (714) 467-4321.

What is Lam Dang's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Lam Dang enrolled in Medicare?

Yes. Lam Dang 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 organization bills Medicare for Lam Dang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lam Dang reassigns Medicare benefits to Providence Medical Foundation (Orange, CA). The 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 Lam Dang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lam Dang was last updated on August 31, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.