Maria J. Deguzman, M.D.
Hospitalist Physician · Phoenix, AZ
Maria J. Deguzman, M.D. is a hospitalist physician with a practice address in Phoenix, Arizona, and NPI 1982938007, issued on Sep 22, 2009. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maria J. Deguzman
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 064920 GA
GA64920 GA
Self-reported in NPPES; status is on the state search - Practice location
- 4212 N 16TH St, Phoenix, AZ 85016
- Phone
- (602) 263-1200
- Enumerated
- Sep 22, 2009
- Record last updated
- Jun 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 003133479B GA
- Medicare enrollment
- Enrolled (PECOS I20150630001207); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 775 in Arizona → Look up another NPI →
Also registered at 4212 N 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Aarseth, RNCritical Care Medicine Registered Nurse1235297292
- Deirdre Abellada, RN, PHNRegistered Nurse1710259395
- Joby Abraham, RNRegistered Nurse1376814046
- Frederick Abramek, MS, PHARMACISTPharmacist1528278736
- Karen AcostaRegistered Nurse1659748671
- Danton AdairRegistered Nurse1114387917
Verify Maria J. Deguzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average hospitalist physician in 2024
330 Medicare Part D claims for 105 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium22 claims
- Pantoprazole Sodium14 claims
- Albuterol Sulfate Hfa13 claims
- Tamsulosin Hcl13 claims
- Amlodipine Besylate12 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 MIPS final score for 2023 (Medicare payment program): 92.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $129.31
1 payment: food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, 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
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria J. Deguzman among 775 hospitalist physician records in Arizona
Maria J. Deguzman, 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 2009, is newer than 32% of them.
- NPI issued2009 · 32% of these records are older, 63% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2002 · median 2011 among the 618 with a school on file
- Record last updated2019 · 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
- Edith Allen, M.D.Phoenix, AZ 850161902842461
- Vasudha Bhavaraju, M.D.Phoenix, AZ 850161770545832
- Kristi Boles, MDPhoenix, AZ 850161891773412
- Daxa Clarke, MDPhoenix, AZ 850161790736205
- Richard Engel, MDPhoenix, AZ 850161851366272
- Shannon Forshey, MDPhoenix, AZ 850161780775395
- Sandra Gage, MDPhoenix, AZ 850161740231604
- John Hartley, D.O.Phoenix, AZ 850161053374207
Common questions
What is Maria J. Deguzman, M.D.'s NPI number?
Maria J. Deguzman, M.D.'s National Provider Identifier (NPI) is 1982938007, issued on Sep 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maria J. Deguzman, M.D. located?
The NPPES record lists a practice address at 4212 N 16TH St, Phoenix, AZ, 85016. Phone: (602) 263-1200. Providers update this record themselves, so call before visiting.
How can I verify Maria J. Deguzman, M.D.'s license?
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 Maria J. Deguzman, M.D. prescribe under Medicare Part D?
In 2024, Maria J. Deguzman, M.D. had 330 Medicare Part D claims for 105 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Maria J. Deguzman, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.3 of 100. 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.