DR. MARIA REGINA F OAKES MD
NPI 1275588410
Emergency Medicine in Louisville, CO

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment
100 HEALTH PARK DR, LOUISVILLE, CO 80027(303) 673-1003(303) 202-1281 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Maria Regina F Oakes Md NPPES

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

DR. MARIA REGINA F OAKES MD (NPI 1275588410) is an individual emergency medicine provider in Louisville, Colorado, licensed in Texas (W1074) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Island Hospital, and is a graduate of New York Medical College (2003).

NPPES Registry Identity

NPI1275588410
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARIA REGINA F OAKESCredential: MD
Location Address100 HEALTH PARK DRLouisville, CO 80027-9583
Mailing AddressPo Box 5788Denver, CO 80217-5788 · (303) 202-1280 · Fax (303) 202-1281
Fax(303) 202-1281
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2003
Enumeration DateMay 24, 2006
Last NPPES UpdateJanuary 6, 2026
NPPES CertifiedJanuary 6, 2026
NPI 1275588410 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in TX · W1074 Licensed in CO · 47889 Licensed in WA · MD00049404
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.

100 HEALTH PARK DR, Louisville, CO 80027

Other Identifiers 2

Medicaid49986538CO
Other20326023101Pacificare Secure Horizons

Accepted Insurance

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. Maria Regina F Oakes Md 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 ID9133130453
PECOS Enrollment IDI20081216000155, I20090904000307
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.
134 services133 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.
87 services74 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.
81 services79 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.
41 services41 patients

Hospital Affiliations CMS Care Compare

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

Island Hospital

Acute Care Hospitals · Anacortes, WA
5/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500007
Location1211 24th StreetAnacortes, WA 98221 · Skagit County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80027 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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 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
2 suppliers19 claims19 services$17.26 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
2 suppliers22 claims22 services$87.46 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.

Nurse Practitioner (Neonatal)
100 HEALTH PARK DR
LOUISVILLE, CO 80027
Anesthesiology
100 HEALTH PARK DR
LOUISVILLE, CO 80027
Anesthesiology
100 HEALTH PARK DR
LOUISVILLE, CO 80027
Anesthesiology
100 HEALTH PARK DR
LOUISVILLE, CO 80027
Nurse Anesthetist, Certified Registered
100 HEALTH PARK DR
LOUISVILLE, CO 80027
Nurse Anesthetist, Certified Registered
100 HEALTH PARK DR
LOUISVILLE, CO 80027
Anesthesiology
100 HEALTH PARK DR
LOUISVILLE, CO 80027
Nurse Anesthetist, Certified Registered
100 HEALTH PARK DR
LOUISVILLE, CO 80027

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 Maria Regina Oakes's NPI number?

The NPI number for Maria Regina Oakes is 1275588410. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is Maria Regina Oakes located?

Maria Regina Oakes practices at 100 Health Park Dr, Louisville, CO 80027. The listed phone number is (303) 673-1003.

What is Maria Regina Oakes's specialty?

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

Is Maria Regina Oakes enrolled in Medicare?

Yes. Maria Regina Oakes 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.

What insurance does Maria Regina Oakes accept?

Health plans from Blue Cross Blue Shield of Wyoming and Molina Healthcare list Maria Regina Oakes as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Maria Regina Oakes affiliated with any hospitals?

According to CMS data, Maria Regina Oakes is affiliated with Island Hospital.

When was this NPI record last updated?

The NPPES record for Maria Regina Oakes was last updated on January 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.