NPPES file of Aug 9, 2026

Robert Schwartzstein, MD

Anesthesiology Physician · Tempe, AZ

Robert Schwartzstein, MD is an anesthesiology physician with a practice address in Tempe, Arizona, and NPI 1093705998, issued on Oct 24, 2005. Check the license (Arizona 22481, 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
1093705998
Name
Robert Schwartzstein
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
22481 AZ
MD048421 PA
MD61427990 WA
Self-reported in NPPES; status is on the state search
Practice location
2421 E Southern Ave Ste 7, Tempe, AZ 85282
Phone
(480) 425-2160
Enumerated
Oct 24, 2005
Record last updated
Aug 18, 2025
Fax
(480) 351-8797
Medicare enrollment
Enrolled (PECOS I20051128000492); accepts Medicare assignment
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 2421 E Southern Ave Ste 7

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

  1. Antonio Alduino, DOAnesthesiology Physician1619937976
  2. Alan Andacht, M.D.Anesthesiology Physician1619956034
  3. Alexander Catton, M.D.Anesthesiology Physician1871768887
  4. Robert Chavez, M.D.Anesthesiology Physician1427248806
  5. Gregg Citron, MDAnesthesiology Physician1558322644
  6. Jaehong Gwag, MDAnesthesiology Physician1972569804

Verify Robert Schwartzstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 22481
    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.

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

97% fewer Medicare Part D claims than the average anesthesiology physician in 2024

11 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Robert Schwartzstein11
  2. Specialty average402

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: $213.78

5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Schwartzstein$213.78
  2. Specialty average$669.59

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

Bills Medicare through 2 group practices

  1. Advanced Cardiac Anesthesia PLLCSun City, AZ
  2. Franciscan Medical GroupSilverdale, WA

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

Robert Schwartzstein among 1,473 anesthesiology physician records in Arizona

Robert Schwartzstein, MD is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1990 · median 2003 among the 984 with a school on file
  • Record last updated2025 · 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 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 anesthesiology physician records list a practice address in Tempe

They are 65 of the 4,310 NPPES records with a practice address in Tempe, and 1,473 anesthesiology physician records in Arizona.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Alan Citrin, DOTempe, AZ 852821437130150
  2. Laszlo Csernak, MDTempe, AZ 852821609857333
  3. George Gieszl, MDTempe, AZ 852821629059340
  4. Scott Isaac, MDTempe, AZ 852821407837131
  5. Christopher Johnstad, M.D.Tempe, AZ 852821609872316
  6. Norman Nazareth, M.D.Tempe, AZ 852821447256060
  7. Anthony Putnam, MDTempe, AZ 852821285615914
  8. Stacey Remchuk Feuer, MDTempe, AZ 852821134110885

Common questions

What is Robert Schwartzstein, MD's NPI number?

Robert Schwartzstein, MD's National Provider Identifier (NPI) is 1093705998, issued on Oct 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Schwartzstein, MD located?

The NPPES record lists a practice address at 2421 E Southern Ave Ste 7, Tempe, AZ, 85282. Phone: (480) 425-2160. Providers update this record themselves, so call before visiting.

How can I verify Robert Schwartzstein, MD's license?

NPPES lists Arizona license number 22481, 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 Robert Schwartzstein, MD prescribe under Medicare Part D?

In 2024, Robert Schwartzstein, MD had 11 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.