Isabel Guerra, M.D.
Nephrology Physician · Phoenix, AZ
Isabel Guerra, M.D. is a nephrology physician with a practice address in Phoenix, Arizona, and NPI 1497758007, issued on May 27, 2005. Check the license (Arizona 15809, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isabel Guerra
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 15809 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3003 N Central Ave, Phoenix, AZ 85012
- Phone
- (602) 263-5446
- Enumerated
- May 27, 2005
- Record last updated
- Aug 1, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (602) 263-7722
- Medicaid ID
- 8997 AZ
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 278 in Arizona → Look up another NPI →
Also registered at 3003 N Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Adair, LPCProfessional Counselor1245474295
- Jeanne Anderson, F.N.P.Family Nurse Practitioner1962559062
- Ann Billing, N.P.Gerontology Nurse Practitioner1700942851
- Audrey Bressor, NPAdult Health Nurse Practitioner1942347554
- Nancy Broerman, ANPAdult Health Nurse Practitioner1962551564
- Scott Burnside, N.P.P.Psychiatric/Mental Health Nurse Practitioner1659683878
Verify Isabel Guerra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 15809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nephrology physician in 2024
14 Medicare Part D claims, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Isabel Guerra among 278 nephrology physician records in Arizona
Isabel Guerra, M.D. is one of 278 nephrology physician records with a practice address in Arizona. 90% 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, 77% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 82% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Arizona
There are 278 nephrology physician records in Arizona.
All 278 in Arizona → Every provider in Phoenix → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- John Costantino, D.O.Phoenix, AZ 850121235243361
- Rick Mishler, M.D.Phoenix, AZ 850121629071303
- Robert Moffitt, M.D.Phoenix, AZ 850121578566071
- Roxana Neyra, M.D.Phoenix, AZ 850121235132895
- Jeffrey Packer, D.O.Phoenix, AZ 850121578566139
- Shouwen Wang, M.D.Phoenix, AZ 850121700889326
- Jamal Atalla, M.D.Phoenix, AZ 850151609861566
- Megan Dixon, M.D.Phoenix, AZ 850151689868416
Common questions
What is Isabel Guerra, M.D.'s NPI number?
Isabel Guerra, M.D.'s National Provider Identifier (NPI) is 1497758007, issued on May 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Isabel Guerra, M.D. located?
The NPPES record lists a practice address at 3003 N Central Ave, Phoenix, AZ, 85012. Phone: (602) 263-5446. Providers update this record themselves, so call before visiting.
How can I verify Isabel Guerra, M.D.'s license?
NPPES lists Arizona license number 15809, 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 Isabel Guerra, M.D. prescribe under Medicare Part D?
In 2024, Isabel Guerra, M.D. had 14 Medicare Part D claims; the average among nephrology physician prescribers was 1,465. 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.