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GERARD DEMERS D.O.
NPI 1487626032
Emergency Medicine in San Diego, CA

Active since February 06, 2006PECOS EnrolledAccepts Medicare Assignment
73.62/100
CMS Quality Rating
34800 BOB WILSON DR, NMCSD- EMERGENCY DEPARTMENT-SUITE 118, SAN DIEGO, CA 92134(619) 532-8276 Get Directions Write a Review

NPPES record last updated: January 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gerard Demers D.o. NPPES

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

GERARD DEMERS D.O. (NPI 1487626032) is an individual emergency medicine provider in San Diego, California, licensed in California (20A11662) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Beaver Dam (mmc-bd), and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1487626032
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGERARD DEMERSCredential: D.O.
Location Address34800 BOB WILSON DR, NMCSD- EMERGENCY DEPARTMENT-SUITE 118San Diego, CA 92134-1005
Mailing Address3776 Mactibby StSan Diego, CA 92117-6136
Phone(619) 532-8276
Sole ProprietorNo
Medical School CMSRowan University School Of Osteopathic MedicineGraduated 1998
Enumeration DateFebruary 6, 2006
Last NPPES UpdateJanuary 9, 2020
✔ NPI 1487626032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · 20A11662
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 02002377A (IN)
34800 BOB WILSON DR, San Diego, CA 92134
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1900 W Clairemont AveEau Claire, WI 54701-6122 · Phone (715) 717-4121
Location 22661 County Highway IChippewa Falls, WI 54729-5407 · Phone (715) 723-1811

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

Gerard Demers D.o. 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 ID2668643016
PECOS Enrollment IDI20110915000701, I20140610000553
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.
51 services51 patients
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.
25 services25 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.
22 services21 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.
20 services15 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426
An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.
16 services16 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Marshfield Medical Center - Beaver Dam (mmc-Bd)

Acute Care Hospitals · Beaver Dam, WI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520076
Location707 S University AveBeaver Dam, WI 53916 · Dodge County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92134 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

73.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.56
Improvement Activities40
Cost58.69

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.

LORENA MARIE FUJII N.P.
Nurse Practitioner (Pediatrics)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-8910
LAKIESHA NICOLE MURPHY
Nurse's Aide
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 713-3385
SUSANNA BYRNE D.O.
Anesthesiology
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
DR. PAUL CHARLES CAMPBELL D.O.
Urology (Pediatric Urology)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-7200
PHILLIP EDWARD FRY JR. DO
Emergency Medicine
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
BRADLY JAMES STILLEY IDC
Military Health Care Provider (Independent Duty Corpsman)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (360) 941-9989
DR. ELIZABETH WHIPPLE PHD
Military Health Care Provider
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400
DR. ELAN HARDER BRESSLOUR-RASHAP MD
General Practice
34800 BOB WILSON DR
SAN DIEGO, CA 92134
San Diego County (619) 532-6400

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 Gerard Demers's NPI number?

The NPI number for Gerard Demers is 1487626032. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Gerard Demers located?

Gerard Demers practices at 34800 Bob Wilson Dr Nmcsd- Emergency Department-Suite 118, San Diego, CA 92134. The listed phone number is (619) 532-8276.

What is Gerard Demers's specialty?

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

Is Gerard Demers enrolled in Medicare?

Yes. Gerard Demers 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.

Is Gerard Demers affiliated with any hospitals?

According to CMS data, Gerard Demers is affiliated with Marshfield Medical Center - Beaver Dam (mmc-Bd).

When was this NPI record last updated?

The NPPES record for Gerard Demers was last updated on January 9, 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.