NPPES file of Aug 9, 2026

Melissa Rubenzik Rosenfeld, MD

Anesthesiology Physician · Phoenix, AZ

Melissa Rubenzik Rosenfeld, MD is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1851363436, issued on Feb 7, 2006. Check the license (Arizona 31621, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851363436
Name
Melissa Rubenzik Rosenfeld
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
31621 AZ
Self-reported in NPPES; status is on the state search
Practice location
5777 E Mayo Blvd, Phoenix, AZ 85054
Phone
(480) 515-6296
Enumerated
Feb 7, 2006
Record last updated
Oct 7, 2024
Medicaid ID
832635 AZ
Medicare enrollment
Enrolled (PECOS I20040505000424); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 1997
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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8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →

Also registered at 5777 E Mayo Blvd

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

  1. Oluseyi AbidoyeHematology & Oncology Physician1780211029
  2. Neera Agrwal, M.D.Internal Medicine Physician1992780522
  3. Maria Aguilar, MDNeurology Physician1518924190
  4. Sophia Aguirre, MDEmergency Medicine Physician1285384859
  5. Erin Alexander, MS, MSGenetic Counselor (M.S.)1487541595
  6. Nneoma Alozie, MDInternal Medicine Physician1912642695

Verify Melissa Rubenzik Rosenfeld in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 31621    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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Bills Medicare through 2 group practices

  1. Mayo Clinic ArizonaScottsdale, AZ
  2. Valley Anesthesiology Consultants IncMesa, AZ

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

Melissa Rubenzik Rosenfeld among 1,473 anesthesiology physician records in Arizona

Melissa Rubenzik Rosenfeld, 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 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 44% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1997 · median 2003 among the 984 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 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

602 anesthesiology physician records list a practice address in Phoenix

They are 602 of the 31,399 NPPES records with a practice address in Phoenix, and 1,473 anesthesiology physician records in Arizona.

All 1,473 in Arizona → Every provider in Phoenix → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Froukje Beynen, M.D.Phoenix, AZ 850541952385957
  2. Patrick Bolton, MDPhoenix, AZ 850541699745398
  3. Daniel Doyle, MDPhoenix, AZ 850541750345823
  4. Brantley Gaitan, MDPhoenix, AZ 850541184652240
  5. Courtney Koshar, MDPhoenix, AZ 850541720048028
  6. Alberta Mazzei, M.D.Phoenix, AZ 850541063498079
  7. Leslie Milde, M.D.Phoenix, AZ 850541053395764
  8. Lopa Misra, D.O.Phoenix, AZ 850541376526046

Common questions

What is Melissa Rubenzik Rosenfeld, MD's NPI number?

Melissa Rubenzik Rosenfeld, MD's National Provider Identifier (NPI) is 1851363436, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Rubenzik Rosenfeld, MD located?

The NPPES record lists a practice address at 5777 E Mayo Blvd, Phoenix, AZ, 85054. Phone: (480) 515-6296. Providers update this record themselves, so call before visiting.

How can I verify Melissa Rubenzik Rosenfeld, MD's license?

NPPES lists Arizona license number 31621, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.