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Nurse Practitioner

Giselle T. Tamula, NP

Works at hospitals in Santa Monica, CA · California

Summary

Giselle T. Tamula, NP is a nurse practitioner at 1301 20th St, Suite 150, Santa Monica, CA 90404. Phone: (310) 582-7641. Accepts Medicare assignment. In 2024, Giselle T. Tamula had 296 Original Medicare patients and 713 services. NPI 1932623246. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 1301 20th St, Suite 150, Santa Monica, CA 90404 · Directions (3 more locations)
  • Phone: (310) 582‑7641
  • Medicare: Accepts Medicare assignment
  • Hospital: Saint John's Health Center
  • Group practice: Providence Saint Johns Medical Foundation
  • School: graduated 2016
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Giselle T. Tamula, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Giselle T. Tamula accept Medicare assignment?
Yes. Medicare's clinician data says Giselle T. Tamula accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Giselle T. Tamula see?
In 2024, CMS data shows 296 Original Medicare patients and 713 services for Giselle T. Tamula. This counts Original Medicare only and measures volume, not quality.
What is Giselle T. Tamula's NPI number?
1932623246. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Giselle T. Tamula, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients296
Services billed to Medicare713
Different services or procedures17
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)263 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)167 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)78 services
  4. Punch biopsy, each additional skin growth (11105)59 services
  5. Punch biopsy, first skin growth (11104)30 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure67%
  • Arthritis54%
  • Depression47%
  • Anxiety44%
  • Ischemic heart disease41%

Hospitals where Giselle T. Tamula works

Medicare's Facility Affiliation Data lists Giselle T. Tamula at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Giselle T. Tamula is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Giselle T. Tamula as a member of this group (CMS data updated October 2, 2026).

  • Providence Saint Johns Medical Foundation281 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Santa Monica

Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.

All nurse practitioners in Santa Monica →

Other clinicians in Providence Saint Johns Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1932623246
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians