NPPES file of Aug 9, 2026

Nancy D. Sein, DO

Rheumatology Physician · Scottsdale, AZ

Nancy D. Sein, DO is a rheumatology physician with a practice address in Scottsdale, Arizona, and NPI 1689972531, issued on Mar 2, 2011. Check the license (Arizona 008355, as entered in NPPES) on the Arizona Medical Board; 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
1689972531
Name
Nancy D. Sein
Credential
DO
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
008355 AZ
Self-reported in NPPES; status is on the state search
Practice location
8405 N Pima Center Pkwy Ste 201, Scottsdale, AZ 85258
Phone
(480) 587-6775
Enumerated
Mar 2, 2011
Record last updated
Feb 21, 2024
Fax
(480) 882-5040
Medicare enrollment
Enrolled (PECOS I20201208000525); accepts Medicare assignment
Medical or professional school
Midwestern University College Of Dental Medicine, Glendale, 2011
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.
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Also registered at 8405 N Pima Center Pkwy Ste 201

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

  1. Manmeet KaurRheumatology Physician1396207916
  2. David Pisarcik, DORheumatology Physician1407319072
  3. Ramin Sabahi, M.D.Rheumatology Physician1568569804

Verify Nancy D. Sein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 008355
    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 Arizona 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.

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25% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,487 Medicare Part D claims for 275 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Nancy Sein1,487
  2. Specialty average1,978

Most prescribed

  1. Methotrexate314 claims
  2. Hydroxychloroquine Sulfate165 claims
  3. Prednisone141 claims
  4. Alendronate Sodium81 claims
  5. Folic Acid78 claims
  6. Celecoxib64 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: $14.52

1 payment: education; the largest payer was Radius Health, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nancy Sein$14.52
  2. Specialty average$8,538.33

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

Bills Medicare through one group practice

  1. Honorhealth AmbulatoryScottsdale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nancy D. Sein among 117 rheumatology physician records in Arizona

Nancy D. Sein, DO is one of 117 rheumatology physician records with a practice address in Arizona. 86% 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 74% of them.

  • NPI issued2011 · 74% of these records are older, 26% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2001 among the 83 with a school on file
  • Record last updated2024 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Arizona

There are 117 rheumatology physician records in Arizona.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Gabriel Colceriu, M.D.Scottsdale, AZ 852581134240146
  2. Manmeet KaurScottsdale, AZ 852581396207916
  3. David Pisarcik, DOScottsdale, AZ 852581407319072
  4. Warren Rizzo, MDScottsdale, AZ 852581053371153
  5. Ramin Sabahi, M.D.Scottsdale, AZ 852581568569804
  6. Fawad Aslam, MBBSScottsdale, AZ 852591669636114
  7. Nouran Eshak, MDScottsdale, AZ 852591073175022
  8. W Griffing, M.D.Scottsdale, AZ 852591437133972

Common questions

What is Nancy D. Sein, DO's NPI number?

Nancy D. Sein, DO's National Provider Identifier (NPI) is 1689972531, issued on Mar 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Nancy D. Sein, DO located?

The NPPES record lists a practice address at 8405 N Pima Center Pkwy Ste 201, Scottsdale, AZ, 85258. Phone: (480) 587-6775. Providers update this record themselves, so call before visiting.

How can I verify Nancy D. Sein, DO's license?

NPPES lists Arizona license number 008355, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nancy D. Sein, DO prescribe under Medicare Part D?

In 2024, Nancy D. Sein, DO had 1,487 Medicare Part D claims for 275 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.