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DR. MEHRNOOSH ZARKOOB M.D.
NPI 1649343815
Internal Medicine in Tucson, AZ

Active since November 16, 2006PECOS Enrolled
2150 W ORANGE GROVE RD, TUCSON, AZ 85741(602) 755-0800(602) 560-2721 Get Directions Write a Review

NPPES record last updated: August 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 7, 2021, Sep 23, 2019, Jan 28, 2016 (3 updates tracked since 2016).

About Dr. Mehrnoosh Zarkoob M.d. NPPES

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

DR. MEHRNOOSH ZARKOOB M.D. (NPI 1649343815) is an individual internal medicine provider in Tucson, Arizona, licensed in Arizona (35684) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649343815
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MEHRNOOSH ZARKOOBCredential: M.D.
Location Address2150 W ORANGE GROVE RDTucson, AZ 85741-3119
Mailing AddressPo Box 24981Belfast, ME 04915-2000 · (844) 969-0686 · Fax (773) 832-7083
Phone(602) 755-0800
Fax(602) 560-2721
Sole ProprietorNo
Enumeration DateNovember 16, 2006
Last NPPES UpdateAugust 26, 20243 updates tracked since enumeration
NPPES CertifiedAugust 26, 2024
✔ NPI 1649343815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 35684
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.
2150 W ORANGE GROVE RD, Tucson, AZ 85741
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mehrnoosh Zarkoob M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Mehrnoosh Zarkoob reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwest Allied Physicians LLC
0.5 mi
General Practice
6060 N FOUNTAIN PLAZA DR STE 270
Tucson, AZ 85704
  • Reassigned Medicare billing, Arizona enrollment
  • 296 clinicians in this Medicare group
NPI 1003833179 (520) 229-2578
Greater Phoenix Collaborative Care PC
106 mi
Clinic/Center
8041 N BLACK CANYON HWY
Phoenix, AZ 85021
  • Reassigned Medicare billing, Arizona enrollment
  • 190 clinicians in this Medicare group
NPI 1750686614 (602) 249-0115

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 5

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.
122 services75 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
58 services50 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
44 services44 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
30 services28 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85741 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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 4

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

MARY K. ESTRADA MSN, FNP-BC
Nurse Practitioner (Family)
2150 W ORANGE GROVE RD
TUCSON, AZ 85741
Pima County (866) 825-3227
WALGREEN CO
Pharmacy
2150 W ORANGE GROVE RD
TUCSON, AZ 85741
Pima County (520) 544-9480
STEVEN DUDLEY
Pharmacist
2150 W ORANGE GROVE RD
TUCSON, AZ 85741
Pima County (520) 544-9480
DAVID PAUL MUELLER RPH
Pharmacist (Geriatric)
2150 W ORANGE GROVE RD
TUCSON, AZ 85741
Pima County (520) 544-9480

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 Mehrnoosh Zarkoob's NPI number?

The NPI number for Mehrnoosh Zarkoob is 1649343815. It was assigned to this individual provider in the NPPES registry on November 16, 2006.

Where is Mehrnoosh Zarkoob located?

Mehrnoosh Zarkoob practices at 2150 W Orange Grove Rd, Tucson, AZ 85741. The listed phone number is (602) 755-0800.

What is Mehrnoosh Zarkoob's specialty?

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

Is Mehrnoosh Zarkoob enrolled in Medicare?

Yes. Mehrnoosh Zarkoob is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mehrnoosh Zarkoob's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mehrnoosh Zarkoob reassigns Medicare benefits to 2 organizations: Northwest Allied Physicians LLC (Tucson, AZ) and Greater Phoenix Collaborative Care PC (Phoenix, AZ). 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 Mehrnoosh Zarkoob's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mehrnoosh Zarkoob accept?

Health plans from Blue Cross Blue Shield of Arizona list Mehrnoosh Zarkoob 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.

When was this NPI record last updated?

The NPPES record for Mehrnoosh Zarkoob was last updated on August 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.