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DR. WILLIAM PATRICK DUNNE M.D.
NPI 1902076292
Internal Medicine in Los Angeles, CA

Active since March 03, 2008PECOS Enrolled
1300 N VERMONT AVE, LOS ANGELES, CA 90027(332) 454-6940 Get Directions Write a Review

NPPES record last updated: December 4, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. William Patrick Dunne M.d. NPPES

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

DR. WILLIAM PATRICK DUNNE M.D. (NPI 1902076292) is an individual internal medicine provider in Los Angeles, California, licensed in California (A60416) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902076292
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM PATRICK DUNNECredential: M.D.
Location Address1300 N VERMONT AVELos Angeles, CA 90027-6005
Mailing Address4470 W Sunset Blvd, Suite107-282Los Angeles, CA 90027-6302 · (323) 454-6940
Phone(332) 454-6940
Sole ProprietorYes
Enumeration DateMarch 3, 2008
Last NPPES UpdateDecember 4, 2014
✔ NPI 1902076292 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 · A60416
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.
1300 N VERMONT AVE, Los Angeles, CA 90027
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Other Identifiers 1

Medicare UPINH39187CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Patrick Dunne M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 William Dunne reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hollywood Urgent Care
2.1 mi
Urgent Care
5717 MELROSE AVE
Los Angeles, CA 90038
  • Reassigned Medicare billing, California enrollment
  • 115 clinicians in this Medicare group
NPI 1356767867 (323) 957-2273

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 9

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.

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.
113 services113 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.
87 services69 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
51 services49 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
50 services24 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
21 services20 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
16 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 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
$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.

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.

ANOOSHEH NIKKAR PA-C
Physician Assistant (Surgical)
1300 N VERMONT AVE, #1006
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2169
DR. RALPH WATCHI MD
Pediatrics
1300 N VERMONT AVE, SUITE 901
LOS ANGELES, CA 90027
Los Angeles County (323) 912-9221
DR. RAM KUMAR SHARMA M.D.
Anesthesiology
1300 N VERMONT AVE
LOS ANGELES, CA 90027
Los Angeles County (213) 413-3000
DR. SUNG HWAN KIM M.D.
Anesthesiology
1300 N VERMONT AVE
LOS ANGELES, CA 90027
Los Angeles County (213) 413-3000
DR. CHRISTINA SOUTHER MARTIN MD
Surgery
1300 N VERMONT AVE, #704
LOS ANGELES, CA 90027
Los Angeles County (310) 526-0290
ERNEST JAMES RIN MD
Emergency Medicine
1300 N VERMONT AVE
LOS ANGELES, CA 90027
Los Angeles County (213) 413-3000
HOLLYWOOD EMERGENCY PHYSICIANS
Emergency Medicine
1300 N VERMONT AVE
LOS ANGELES, CA 90027
Los Angeles County (323) 913-4892
DR. DALLAS COTTAM M.D.
Emergency Medicine
1300 N VERMONT AVE, SUITE 403 DOCTORS TOWER
LOS ANGELES, CA 90027
Los Angeles County (323) 644-1300

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 William Dunne's NPI number?

The NPI number for William Dunne is 1902076292. It was assigned to this individual provider in the NPPES registry on March 3, 2008.

Where is William Dunne located?

William Dunne practices at 1300 N Vermont Ave, Los Angeles, CA 90027. The listed phone number is (332) 454-6940.

What is William Dunne's specialty?

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

Is William Dunne enrolled in Medicare?

Yes. William Dunne is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Dunne's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Dunne reassigns Medicare benefits to Hollywood Urgent Care (Los Angeles, 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 William Dunne'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 William Dunne was last updated on December 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.