Jack Jacoub, M.D.
NPI 1528016318 · Hematology & Oncology Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Jacoub, M.D. is a Hematology & Oncology Physician provider in Fountain Valley, CA (NPI 1528016318).
Provider details
- NPI number
- 1528016318
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A79623 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
586 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 203 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 120 | $139 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 119 | $16 |
| 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 | 48 | $17 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 34 | 13 |
| Olanzapine | 25 | 12 |
| Immun Glob G(igg)/Pro/Iga 0-50brand: Privigen | 25 | — |
| Prednisone | 16 | — |
| Zanubrutinibbrand: Brukinsa | 13 | — |
| Ondansetron Hcl | 13 | — |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 5 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)
- 24411 Health Center Dr Ste 320Laguna Hills, CA 92653-3633Phone: (949) 380-2670Fax: (949) 380-0907
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2021-05-26
- Certified
- 2021-05-26
Frequently asked questions
- What is Jack Jacoub's NPI number?
- Jack Jacoub's National Provider Identifier (NPI) is 1528016318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Jacoub's specialty?
- Jack Jacoub is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Jacoub located?
- Jack Jacoub's practice location on file with NPPES is 18111 Brookhurst St Ste 6100, Fountain Valley, CA 92708-6728.
- What is Jack Jacoub's phone number?
- The practice phone number listed in the NPPES registry for Jack Jacoub is (714) 378-7330.
- Does Jack Jacoub accept Medicare?
- Jack Jacoub is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Jacoub's NPI active?
- Yes — Jack Jacoub's NPI (1528016318) is active in the NPPES registry as of the last update on 2021-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.