NPPES file of Aug 9, 2026

Mary I. Gutierrez, NP

Nurse Practitioner · Calexico, CA

Mary I. Gutierrez, NP is a nurse practitioner with a practice address in Calexico, California, and NPI 1023191582, issued on Oct 20, 2006. Check the license (California RN454451, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023191582
Name
Mary I. Gutierrez
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
RN454451 CA
Self-reported in NPPES; status is on the state search
Practice location
408 E 3RD St Ste B, Calexico, CA 92231
Phone
(760) 357-9962
Enumerated
Oct 20, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(760) 768-1714
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mary I. Gutierrez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license RN454451
    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
Find the California license search

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90% fewer Medicare Part D claims than the average nurse practitioner in 2024

111 Medicare Part D claims for 69 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Mary Gutierrez111
  2. Specialty average1,109

Most prescribed

  1. Metronidazole29 claims
  2. Estradiol26 claims
  3. Terconazole15 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: $108.93

5 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Gutierrez$108.93
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Mary I. Gutierrez among 8,223 nurse practitioner records in California

Mary I. Gutierrez, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2007 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 nurse practitioner records list a practice address in Calexico

They are 6 of the 239 NPPES records with a practice address in Calexico, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Susan DeanCalexico, CA 922311093913881
  2. Gabriel Hernandez, NPCalexico, CA 922311164043782
  3. Ramona Holtz, NPCalexico, CA 922311659438000
  4. Karely Lara Paz, FNPCalexico, CA 922311871377812
  5. Julio Ortiz, FNPCalexico, CA 922311831890995
  6. Marlyne Abon, NURSE PRACTITIONERCathedral City, CA 922341982003604
  7. Ashley DavisCathedral City, CA 922341144162504
  8. Amir Hodge, NPCathedral City, CA 922341316938814

Common questions

What is Mary I. Gutierrez, NP's NPI number?

Mary I. Gutierrez, NP's National Provider Identifier (NPI) is 1023191582, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary I. Gutierrez, NP located?

The NPPES record lists a practice address at 408 E 3RD St Ste B, Calexico, CA, 92231. Phone: (760) 357-9962. Providers update this record themselves, so call before visiting.

How can I verify Mary I. Gutierrez, NP's license?

NPPES lists California license number RN454451, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mary I. Gutierrez, NP prescribe under Medicare Part D?

In 2024, Mary I. Gutierrez, NP had 111 Medicare Part D claims for 69 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.