Ernestina Pelayo De Olivares, MD
Psychiatry Physician · Tucson, AZ
Ernestina Pelayo De Olivares, MD is a psychiatry physician with a practice address in Tucson, Arizona, and NPI 1841371523, issued on Oct 18, 2006. Check the license (Arizona 31109, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ernestina Pelayo De Olivares
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 31109 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5425 N Oracle RD Ste 115, Tucson, AZ 85704
- Phone
- (520) 742-9166
- Enumerated
- Oct 18, 2006
- Record last updated
- Oct 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (520) 742-9146
- Medicaid ID
- 875320 AZ
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 942 in Arizona → Look up another NPI →
Also registered at 5425 N Oracle RD Ste 115
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Keranen, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1730940875
- Marisol Ramirez, NPPsychiatric/Mental Health Nurse Practitioner1538730312
- Jonathan Resille, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1326667270
- Adam Streiff, PMHNPPsychiatric/Mental Health Nurse Practitioner1053935510
Verify Ernestina Pelayo De Olivares in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 31109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average psychiatry physician in 2024
1,530 Medicare Part D claims for 169 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Bupropion Xl178 claims
- Trazodone Hcl157 claims
- Quetiapine Fumarate86 claims
- Sertraline Hcl79 claims
- Escitalopram Oxalate76 claims
- Lamotrigine71 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.
Industry payments in 2024: $44.00
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Ernestina Pelayo De Olivares among 942 psychiatry physician records in Arizona
Ernestina Pelayo De Olivares, MD is one of 942 psychiatry physician records with a practice address in Arizona. 67% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
266 psychiatry physician records list a practice address in Tucson
They are 266 of the 18,788 NPPES records with a practice address in Tucson, and 942 psychiatry physician records in Arizona.
All 942 in Arizona → Every provider in Tucson → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jamil AlhassanTucson, AZ 857041932605300
- Neeraj Chauhan, D.O.Tucson, AZ 857041518372291
- Mary Connolly, M.D.Tucson, AZ 857041912932229
- Marion Douglass, MDTucson, AZ 857041720054299
- Tyler Dowling, M.D.Tucson, AZ 857041104231851
- Sadia Ghani, MDTucson, AZ 857041700267093
- James Gray, M.D.Tucson, AZ 857041942220686
- George Hadeed, M.D., M.P.H.Tucson, AZ 857041699188110
Common questions
What is Ernestina Pelayo De Olivares, MD's NPI number?
Ernestina Pelayo De Olivares, MD's National Provider Identifier (NPI) is 1841371523, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ernestina Pelayo De Olivares, MD located?
The NPPES record lists a practice address at 5425 N Oracle RD Ste 115, Tucson, AZ, 85704. Phone: (520) 742-9166. Providers update this record themselves, so call before visiting.
How can I verify Ernestina Pelayo De Olivares, MD's license?
NPPES lists Arizona license number 31109, 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 Ernestina Pelayo De Olivares, MD prescribe under Medicare Part D?
In 2024, Ernestina Pelayo De Olivares, MD had 1,530 Medicare Part D claims for 169 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.