Elizabeth Macisaac
NPI 1891194700 · Family Nurse Practitioner · Carlsbad, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Macisaac is a Family Nurse Practitioner provider in Carlsbad, CA (NPI 1891194700).
Provider details
- NPI number
- 1891194700
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95000913 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
334 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $83 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 74 | $14 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 41 | $118 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 23 | $7 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 70 | 39 |
| Amlodipine Besylate | 55 | 30 |
| Atorvastatin Calcium | 40 | 19 |
| Gabapentin | 39 | 18 |
| Losartan Potassium | 37 | 21 |
| Trazodone Hcl | 29 | 18 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$301 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-15
- Last updated
- 2019-08-16
Frequently asked questions
- What is Elizabeth Macisaac's NPI number?
- Elizabeth Macisaac's National Provider Identifier (NPI) is 1891194700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Macisaac's specialty?
- Elizabeth Macisaac is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Macisaac located?
- Elizabeth Macisaac's practice location on file with NPPES is 2176 Salk Ave, Carlsbad, CA 92008-7346.
- What is Elizabeth Macisaac's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Macisaac is (760) 827-7236.
- Does Elizabeth Macisaac accept Medicare?
- Elizabeth Macisaac is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Macisaac's NPI active?
- Yes — Elizabeth Macisaac's NPI (1891194700) is active in the NPPES registry as of the last update on 2019-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.