Jacob Fennessy, M.D.
NPI 1972923704 · Orthopaedic Surgery of the Spine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Fennessy, M.D. is a Orthopaedic Surgery of the Spine Physician provider in San Diego, CA (NPI 1972923704).
Provider details
- NPI number
- 1972923704
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A141175 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
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 |
|---|---|---|
| Celecoxib | 151 | 40 |
| Prednisone | 64 | 30 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 53 | — |
| Tramadol Hcl | 51 | 12 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 37 | — |
| Tizanidine Hcl | 31 | 12 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,725 across 18 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)
- 4860 Y StSte 3800Sacramento, CA 95817-2307Phone: (916) 734-2807
Registry dates
- Enumerated
- 2014-04-20
- Last updated
- 2022-02-04
Frequently asked questions
- What is Jacob Fennessy's NPI number?
- Jacob Fennessy's National Provider Identifier (NPI) is 1972923704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Fennessy's specialty?
- Jacob Fennessy is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery of the Spine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Fennessy located?
- Jacob Fennessy's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103.
- What is Jacob Fennessy's phone number?
- The practice phone number listed in the NPPES registry for Jacob Fennessy is (800) 926-8273.
- Does Jacob Fennessy accept Medicare?
- Jacob Fennessy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Fennessy's NPI active?
- Yes — Jacob Fennessy's NPI (1972923704) is active in the NPPES registry as of the last update on 2022-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.