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DOUGLAS E DENNIS M.D.
NPI 1639182280
Emergency Medicine in Fountain Valley, CA

Active since August 14, 2006PECOS EnrolledAccepts Medicare Assignment
94.62/100
CMS Quality Rating
9920 TALBERT AVE, FOUNTAIN VALLEY, CA 92708(714) 378-7535 Get Directions Write a Review

NPPES record last updated: October 24, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Douglas E Dennis M.d. NPPES

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

DOUGLAS E DENNIS M.D. (NPI 1639182280) is an individual emergency medicine provider in Fountain Valley, California, licensed in California (A46533) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1986).

NPPES Registry Identity

NPI1639182280
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDOUGLAS E DENNISCredential: M.D.
Location Address9920 TALBERT AVEFountain Valley, CA 92708-5153
Mailing Address2100 Powell St, Suite 900Emeryville, CA 94608-1826 · (510) 350-2600 · Fax (510) 879-9100
Phone(714) 378-7535
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateAugust 14, 2006
Last NPPES UpdateOctober 24, 2007
✔ NPI 1639182280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A46533
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
9920 TALBERT AVE, Fountain Valley, CA 92708
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Other Identifiers 3

Medicare PINWA46533DCA
Medicare UPINE60488CA
Medicaid00A465330CA

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

Douglas E Dennis 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 ID1355479619
PECOS Enrollment IDI20100506000274
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 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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
253 services245 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
218 services205 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
37 services37 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
37 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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.

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.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

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.

MRS. TRAN CHAU NP
Nurse Practitioner (Family)
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7428
LARRY YIP, M.D., INC.
Anesthesiology
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (800) 883-7243
CEP AMERICA-CALIFORNIA
Emergency Medicine
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7535
MODY ANESTHESIOLOGY CORPORATION
Anesthesiology
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7000
SUSAN COLETTE MILLS RD
Dietitian, Registered
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7033
DR. TU V NGUYEN MD
Anesthesiology
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7000
RONALD J HITZFIELD M.D.
Emergency Medicine
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7535
SHAMILA LEATHERS MD INC
Anesthesiology
9920 TALBERT AVE
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-7000

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 Douglas Dennis's NPI number?

The NPI number for Douglas Dennis is 1639182280. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Where is Douglas Dennis located?

Douglas Dennis practices at 9920 Talbert Ave, Fountain Valley, CA 92708. The listed phone number is (714) 378-7535.

What is Douglas Dennis's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Douglas Dennis enrolled in Medicare?

Yes. Douglas Dennis 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 Douglas Dennis was last updated on October 24, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.