MAHNAZ MELLATI M.D.
NPI 1326331513
Internal Medicine - Endocrinology, Diabetes & Metabolism in Seattle, WA

Active since May 19, 2011PECOS EnrolledAccepts Medicare Assignment
1101 MADISON ST STE 1270, SEATTLE, WA 98104(206) 796-3636(334) 714-7958 Get Directions Write a Review

NPPES record last updated: October 9, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 9, 2024, Feb 22, 2023, Jul 21, 2022 and 3 more (6 updates tracked since 2016).

About Mahnaz Mellati M.d. NPPES

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

MAHNAZ MELLATI M.D. (NPI 1326331513) is an individual endocrinology, diabetes & metabolism provider in Seattle, Washington, licensed in Washington (MD 60443675) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Island Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1326331513
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameMAHNAZ MELLATICredential: M.D.
Location Address1101 MADISON ST STE 1270Seattle, WA 98104-3554
Mailing Address1101 Madison St Ste 1270Seattle, WA 98104-3554 · (206) 796-3636
Fax(334) 714-7958
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateMay 19, 2011
Last NPPES UpdateOctober 9, 20246 updates tracked since enumeration
NPPES CertifiedOctober 9, 2024
NPI 1326331513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in WA · MD 60443675
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1101 MADISON ST STE 1270, Seattle, WA 98104

Other Names 1

Other Name (5)N/a N/a Md.

Secondary Practice Locations 2

Location 19709 3rd Ave NESeattle, WA 98115-2062 · Phone (206) 525-5777
Location 2904 7th Ave Fl 7Seattle, WA 98104-1132 · Phone (206) 860-5572

Other Identifiers 1

Medicaid1326331513WA

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

Mahnaz Mellati 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 ID143535666
PECOS Enrollment IDI20160601002291
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 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.
247 services121 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.
91 services91 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
73 services27 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
54 services40 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Swedish Medical Center

Acute Care Hospitals · Seattle, WA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500027
Location747 BroadwaySeattle, WA 98122 · King County
Emergency services Birthing friendly

Harrison Medical Center

Acute Care Hospitals · Bremerton, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500039
Location2520 Cherry AvenueBremerton, WA 98310 · Kitsap County
Emergency services Birthing friendly

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

Whidbeyhealth Medical Center

Critical Access Hospitals · Coupeville, WA
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number501339
Location101 North Main StreetCoupeville, WA 98239 · Island County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers26 claims81 services$6.34 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
10 suppliers203 claims203 services$190.00 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 6

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
1101 MADISON ST STE 1270
SEATTLE, WA 98104
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1101 MADISON ST STE 1270
SEATTLE, WA 98104
Clinic/Center
1101 MADISON ST STE 1270
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 1270
SEATTLE, WA 98104
Obstetrics & Gynecology
1101 MADISON ST STE 1270
SEATTLE, WA 98104
Clinic/Center (Primary Care)
1101 MADISON ST STE 1270
SEATTLE, WA 98104

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 Mahnaz Mellati's NPI number?

The NPI number for Mahnaz Mellati is 1326331513. It was assigned to this individual provider in the NPPES registry on May 19, 2011. The provider is also known as N/A N/A MD..

Where is Mahnaz Mellati located?

Mahnaz Mellati practices at 1101 Madison St Ste 1270, Seattle, WA 98104. The listed phone number is (206) 796-3636.

What is Mahnaz Mellati's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Mahnaz Mellati enrolled in Medicare?

Yes. Mahnaz Mellati 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 Mahnaz Mellati accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Mahnaz Mellati 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 Mahnaz Mellati affiliated with any hospitals?

According to CMS data, Mahnaz Mellati is affiliated with Island Hospital, Swedish Medical Center, Harrison Medical Center, Olympic Medical Center and Whidbeyhealth Medical Center.

When was this NPI record last updated?

The NPPES record for Mahnaz Mellati was last updated on October 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.