DR. WILLIAM CONTRERAS M.D.
NPI 1780694273
Internal Medicine in Chula Vista, CA

Active since August 08, 2006PECOS EnrolledAccepts Medicare Assignment
73.62/100
CMS Quality Rating
1400 E PALOMAR ST, CHULA VISTA, CA 91913(858) 499-2616 Get Directions Write a Review

NPPES record last updated: November 21, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Contreras M.d. NPPES

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

DR. WILLIAM CONTRERAS M.D. (NPI 1780694273) is an individual internal medicine provider in Chula Vista, California, licensed in California (G86860) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1993).

NPPES Registry Identity

NPI1780694273
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM CONTRERASCredential: M.D.
Location Address1400 E PALOMAR STChula Vista, CA 91913-1800
Mailing Address1400 E Palomar StChula Vista, CA 91913-1800 · (858) 499-2616
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1993
Enumeration DateAugust 8, 2006
Last NPPES UpdateNovember 21, 2012
NPI 1780694273 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 · G86860
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.

1400 E PALOMAR ST, Chula Vista, CA 91913

Other Identifiers 3

Medicare ID-Type UnspecifiedWG86860ACA
Medicare UPING34959CA
Medicaid00G868600CA

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

Dr. William Contreras 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 ID3274657820
PECOS Enrollment IDI20100902000885
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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
150 services67 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.
88 services42 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
73 services70 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91913 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
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

Referred Medical Equipment & Supplies CMS DME claims 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier36 claims36 services$14.07 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
1 supplier37 claims37 services$59.80 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 20

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

Pharmacist
1400 E PALOMAR ST
CHULA VISTA, CA 91913
Family Medicine
1400 E PALOMAR ST
CHULA VISTA, CA 91913
Pharmacist
1400 E PALOMAR ST
CHULA VISTA, CA 91913
Dermatology
1400 E PALOMAR ST
CHULA VISTA, CA 91913
Pediatrics
1400 E PALOMAR ST
CHULA VISTA, CA 91913
Surgery
1400 E PALOMAR ST
CHULA VISTA, CA 91913
Internal Medicine
1400 E PALOMAR ST
CHULA VISTA, CA 91913
Ophthalmology (Ophthalmic Plastic and Reconstructive Surgery)
1400 E PALOMAR ST
CHULA VISTA, CA 91913

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 Contreras's NPI number?

The NPI number for William Contreras is 1780694273. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is William Contreras located?

William Contreras practices at 1400 E Palomar St, Chula Vista, CA 91913. The listed phone number is (858) 499-2616.

What is William Contreras's specialty?

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

Is William Contreras enrolled in Medicare?

Yes. William Contreras 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 William Contreras was last updated on November 21, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.