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DOREEN TELISAK MARINO M.D.
NPI 1295934081
Internal Medicine in Aurora, CO

Active since July 12, 2007PECOS EnrolledAccepts Medicare Assignment
1400 S POTOMAC ST, SUITE 110, AURORA, CO 80012(303) 745-0000(303) 745-1299 Get Directions Write a Review

NPPES record last updated: November 1, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 1, 2022, Jul 12, 2016 (2 updates tracked since 2016).

About Doreen Telisak Marino M.d. NPPES

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

DOREEN TELISAK MARINO M.D. (NPI 1295934081) is an individual internal medicine provider in Aurora, Colorado, licensed in Colorado (45811) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Petaluma, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1295934081
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDOREEN TELISAK MARINOCredential: M.D.
Location Address1400 S POTOMAC ST, SUITE 110Aurora, CO 80012-4528
Mailing Address1400 S Potomac St, Suite 110Aurora, CO 80012-4528 · (303) 745-0000 · Fax (303) 745-1299
Phone(303) 745-0000
Fax(303) 745-1299
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 12, 2007
Last NPPES UpdateNovember 1, 20222 updates tracked since enumeration
NPPES CertifiedNovember 1, 2022
✔ NPI 1295934081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CO · 45811
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.
Also ListedHospitalistTaxonomy 208M00000X · License A113085 (CA)
1400 S POTOMAC ST, Aurora, CO 80012
Open in Google Maps ↗

Other Names 1

Former Name (1)Doreen Ann Telisak M.d.

Secondary Practice Location 1

Location 1400 N McDowell BlvdPetaluma, CA 94954-2339 · Phone (707) 303-1709

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Doreen Telisak Marino 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 ID9436241544
PECOS Enrollment IDI20110622000629
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 Reassignments

3

Medicare enrollment records show Doreen Marino reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Medical Foundation
773 mi
Urology
19333 BEAR VALLEY RD, SUITE 106
Apple Valley, CA 92308
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1053616706 (760) 240-5505
Vituity Hospitalists PC
835 mi
Hospitalist
1303 E HERNDON AVE
Fresno, CA 93720
  • Reassigned Medicare billing, California enrollment
  • 182 clinicians in this Medicare group
NPI 1285111658 (559) 450-3000
Prima Medical Foundation
959 mi
Clinic/Center
4 HAMILTON LANDING, SUITE 100
Novato, CA 94949
  • Reassigned Medicare billing, California enrollment
  • 111 clinicians in this Medicare group
NPI 1811217946 (415) 884-1840

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 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.
492 services193 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.
263 services159 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.
200 services184 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
24 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80012 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
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.

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.

HEALTHONE CLINIC SERVICES LLC
Obstetrics & Gynecology
1400 S POTOMAC ST, #225
AURORA, CO 80012
Arapahoe County (303) 873-5245
SZ-MIN HARLEY MD
Obstetrics & Gynecology
1400 S POTOMAC ST, #220
AURORA, CO 80012
Arapahoe County (303) 690-2198
DR. TYLER M LEWARK M.D.
Otolaryngology
1400 S POTOMAC ST, SUITE 240
AURORA, CO 80012
Arapahoe County (303) 750-8600
MRS. NANETTE E LANDRY CNM
Advanced Practice Midwife
1400 S POTOMAC ST, #225
AURORA, CO 80012
Arapahoe County (303) 873-5245
NATHAN WELLS
Audiologist
1400 S POTOMAC ST, #240
AURORA, CO 80012
Arapahoe County (303) 750-8600
SURGONE, PC
Surgery
1400 S POTOMAC ST, SUITE 120
AURORA, CO 80012
Arapahoe County (303) 839-5669
DR. HOWARD LOUIS CORREN MD
Family Medicine
1400 S POTOMAC ST, #190
AURORA, CO 80012
Arapahoe County (720) 979-0836
STEFANIE J THROLSON ANP
Nurse Practitioner (Adult Health)
1400 S POTOMAC ST, #210
AURORA, CO 80012
Arapahoe County (303) 873-5800

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 Doreen Marino's NPI number?

The NPI number for Doreen Marino is 1295934081. It was assigned to this individual provider in the NPPES registry on July 12, 2007. The provider is also known as Doreen Ann Telisak M.D..

Where is Doreen Marino located?

Doreen Marino practices at 1400 S Potomac St Suite 110, Aurora, CO 80012. The listed phone number is (303) 745-0000.

What is Doreen Marino's specialty?

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

Is Doreen Marino enrolled in Medicare?

Yes. Doreen Marino 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.

Which organizations bill Medicare for Doreen Marino's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Doreen Marino reassigns Medicare benefits to 3 organizations: Providence Medical Foundation (Apple Valley, CA), Vituity Hospitalists PC (Fresno, CA) and Prima Medical Foundation (Novato, CA). Each 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 Doreen Marino'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 Doreen Marino was last updated on November 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.