Robyn E. Stiefeld, M.D.
Hospitalist Physician · Phoenix, AZ
Robyn E. Stiefeld, M.D. is a hospitalist physician with a practice address in Phoenix, Arizona, and NPI 1902888753, issued on Nov 17, 2005. Check the license (Arizona 30583, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robyn E. Stiefeld
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 30583 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 350 W Thomas RD, Phoenix, AZ 85013
- Phone
- (602) 406-5590
- Enumerated
- Nov 17, 2005
- Record last updated
- Dec 16, 2024
- Fax
- (602) 406-7170
- Medicare enrollment
- Enrolled (PECOS I20040601000649); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 775 in Arizona → Look up another NPI →
Also registered at 350 W Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christine Adham, DOAnesthesiology Physician1679953202
- Caitlyn Adley, CRNACertified Registered Nurse Anesthetist1760849079
- Rexhina Ago, DOStudent in an Organized Health Care Education/Training Program1568302065
Verify Robyn E. Stiefeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 30583Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average hospitalist physician in 2024
146 Medicare Part D claims for 76 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Clopidogrel11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $124.95
1 payment: food and beverage; the largest payer was Kyowa Kirin, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Sjhmc Physician ServicesPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robyn E. Stiefeld among 775 hospitalist physician records in Arizona
Robyn E. Stiefeld, M.D. is one of 775 hospitalist physician records with a practice address in Arizona. 88% 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, 94% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2001 · median 2011 among the 618 with a school on file
- Record last updated2024 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Arizona
There are 775 hospitalist physician records in Arizona.
All 775 in Arizona → Every provider in Phoenix → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Mohamad Alyafi, MDPhoenix, AZ 850131487620696
- Zaki Aslamy, M.D.Phoenix, AZ 850131275696585
- Lindley Bliss, MDPhoenix, AZ 850131003979188
- Sai-Sridhar Boddupalli, M.D.Phoenix, AZ 850131326220518
- Binh Duong, DOPhoenix, AZ 850131689634354
- Suzanne Hall, DOPhoenix, AZ 850131689886244
- Vance Julian, M.D.Phoenix, AZ 850131467515718
- Sang Lee, M.D.Phoenix, AZ 850131326208992
Common questions
What is Robyn E. Stiefeld, M.D.'s NPI number?
Robyn E. Stiefeld, M.D.'s National Provider Identifier (NPI) is 1902888753, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robyn E. Stiefeld, M.D. located?
The NPPES record lists a practice address at 350 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-5590. Providers update this record themselves, so call before visiting.
How can I verify Robyn E. Stiefeld, M.D.'s license?
NPPES lists Arizona license number 30583, 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 Robyn E. Stiefeld, M.D. prescribe under Medicare Part D?
In 2024, Robyn E. Stiefeld, M.D. had 146 Medicare Part D claims for 76 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Robyn E. Stiefeld, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.