Greta Jacobsen
NPI 1255952941 · Family Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greta Jacobsen is a Family Medicine Physician provider in Santa Monica, CA (NPI 1255952941).
Provider details
- NPI number
- 1255952941
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A184055 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
912 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 | 264 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 258 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $99 |
| Urinalysis, Manual Test81002 | 67 | $3 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 56 | $140 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 43 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 316 | 112 |
| Metformin Hcl | 159 | 44 |
| Losartan Potassium | 139 | 38 |
| Amlodipine Besylate | 98 | 31 |
| Lisinopril | 97 | 33 |
| Gabapentin | 87 | 21 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$884 across 38 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
Additional practice locations (1)
- 1313 E Herndon Ave Ste 105Fresno, CA 93720-3306Phone: (559) 450-4637
Registry dates
- Enumerated
- 2020-05-04
- Last updated
- 2024-01-19
- Certified
- 2024-01-19
Frequently asked questions
- What is Greta Jacobsen's NPI number?
- Greta Jacobsen's National Provider Identifier (NPI) is 1255952941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Jacobsen's specialty?
- Greta Jacobsen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greta Jacobsen located?
- Greta Jacobsen's practice location on file with NPPES is 2021 Santa Monica Blvd Ste 625e, Santa Monica, CA 90404-2169.
- What is Greta Jacobsen's phone number?
- The practice phone number listed in the NPPES registry for Greta Jacobsen is (310) 829-8948.
- Does Greta Jacobsen accept Medicare?
- Greta Jacobsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greta Jacobsen's NPI active?
- Yes — Greta Jacobsen's NPI (1255952941) is active in the NPPES registry as of the last update on 2024-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.