DR. MARIANA HARASAWA MD
NPI 1154785863
Ophthalmology - Retina Specialist in Denver, CO

Active since April 08, 2016PECOS EnrolledAccepts Medicare Assignment
55 MADISON ST STE 355, DENVER, CO 80206(303) 377-2020 Get Directions Write a Review

NPPES record last updated: April 26, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 2, 2022, Jan 21, 2022 (2 updates tracked since 2022).

About Dr. Mariana Harasawa Md NPPES

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

DR. MARIANA HARASAWA MD (NPI 1154785863) is an individual retina specialist in Denver, Colorado, licensed in Colorado (DR.0065005) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1154785863
Entity TypeIndividualFemale
Primary Taxonomy207WX0107X
Provider Legal NameDR. MARIANA HARASAWACredential: MD
Location Address55 MADISON ST STE 355Denver, CO 80206-5429
Mailing Address6148 Dallas StDenver, CO 80238-4389 · (720) 409-7171
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateApril 8, 2016
Last NPPES UpdateApril 26, 20232 updates tracked since enumeration
NPPES CertifiedApril 26, 2023
NPI 1154785863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOphthalmology · Retina SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0107X
License Licensed in CO · DR.0065005
Definition

An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

Also ListedOphthalmologyTaxonomy 207W00000X · License DR0065005 (CO)
55 MADISON ST STE 355, Denver, CO 80206

Secondary Practice Location 1

Location 110350 E Dakota AveDenver, CO 80247-1314 · Phone (303) 338-4545

Other Identifiers 2

Other029387CO · Kaiser Commercial Number
Medicaid9000164548CO

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. Mariana Harasawa 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 ID2668743469
PECOS Enrollment IDI20210405001479
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80206 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
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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 9

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

Nurse Practitioner (Adult Health)
55 MADISON ST STE 355
DENVER, CO 80206
Optometrist
55 MADISON ST STE 355
DENVER, CO 80206
Ophthalmology
55 MADISON ST STE 355
DENVER, CO 80206
Ophthalmology
55 MADISON ST STE 355
DENVER, CO 80206
Optometrist
55 MADISON ST STE 355
DENVER, CO 80206
Ophthalmology
55 MADISON ST STE 355
DENVER, CO 80206
Optometrist
55 MADISON ST STE 355
DENVER, CO 80206
Ophthalmology
55 MADISON ST STE 355
DENVER, CO 80206

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 Mariana Harasawa's NPI number?

The NPI number for Mariana Harasawa is 1154785863. It was assigned to this individual provider in the NPPES registry on April 8, 2016.

Where is Mariana Harasawa located?

Mariana Harasawa practices at 55 Madison St Ste 355, Denver, CO 80206. The listed phone number is (303) 377-2020.

What is Mariana Harasawa's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Is Mariana Harasawa enrolled in Medicare?

Yes. Mariana Harasawa 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 Mariana Harasawa was last updated on April 26, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.