NPPES file of Aug 9, 2026

Mahnaz Mellati, M.D.

Endocrinology, Diabetes & Metabolism Physician · Seattle, WA

Mahnaz Mellati, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Seattle, Washington, and NPI 1326331513, issued on May 19, 2011. Check the license (Washington MD 60443675, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326331513
Name
Mahnaz Mellati
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
MD 60443675 WA
Self-reported in NPPES; status is on the state search
Practice location
1101 Madison St Ste 1270, Seattle, WA 98104
Phone
(206) 796-3636
Enumerated
May 19, 2011
Record last updated
Oct 9, 2024
Fax
(334) 714-7958
Medicaid ID
1326331513 WA
Medicare enrollment
Enrolled (PECOS I20160601002291); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1101 Madison St Ste 1270

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lori Cooper, M.D.Endocrinology, Diabetes & Metabolism Physician1497078091
  2. Ashley Fuller, MDObstetrics & Gynecology Physician1912100116

Verify Mahnaz Mellati in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD 60443675
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

50% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,317 Medicare Part D claims for 227 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Mahnaz Mellati1,317
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium231 claims
  2. Liothyronine Sodium99 claims
  3. Ozempic86 claims
  4. Synthroid56 claims
  5. Trulicity56 claims
  6. Metformin Hcl Er54 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $240.86

3 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mahnaz Mellati$240.86
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mahnaz Mellati among 224 endocrinology, diabetes & metabolism physician records in Washington

Mahnaz Mellati, M.D. is one of 224 endocrinology, diabetes & metabolism physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 68% of them.

  • NPI issued2011 · 68% of these records are older, 30% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2009 · median 2006 among the 140 with a school on file
  • Record last updated2024 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Washington

There are 224 endocrinology, diabetes & metabolism physician records in Washington.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Shelby Brammer, M.D.Seattle, WA 981041831266816
  2. Frances Broyles, MDSeattle, WA 981041669454583
  3. Matthew Davies, MDSeattle, WA 981041902892680
  4. Gary Enzmann, MDSeattle, WA 981041902893480
  5. Kenneth Gross, MDSeattle, WA 981041831155969
  6. Wei Hao, MDSeattle, WA 981041952334740
  7. Sunna Kwun, MDSeattle, WA 981041285818328
  8. Robert Murray, M.D.Seattle, WA 981041982672846

Common questions

What is Mahnaz Mellati, M.D.'s NPI number?

Mahnaz Mellati, M.D.'s National Provider Identifier (NPI) is 1326331513, issued on May 19, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mahnaz Mellati, M.D. located?

The NPPES record lists a practice address at 1101 Madison St Ste 1270, Seattle, WA, 98104. Phone: (206) 796-3636. Providers update this record themselves, so call before visiting.

How can I verify Mahnaz Mellati, M.D.'s license?

NPPES lists Washington license number MD 60443675, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mahnaz Mellati, M.D. prescribe under Medicare Part D?

In 2024, Mahnaz Mellati, M.D. had 1,317 Medicare Part D claims for 227 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.