Jacob H. Fennessy, M.D.
Orthopaedic Surgery of the Spine Physician · San Diego, CA
Jacob H. Fennessy, M.D. is an orthopaedic surgery of the spine physician with a practice address in San Diego, California, and NPI 1972923704, issued on Apr 20, 2014. Check the license (California A141175, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacob H. Fennessy
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License number
- A141175 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (800) 926-8273
- Enumerated
- Apr 20, 2014
- Record last updated
- Feb 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20190829003610); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 314 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison A'Court, MDAnesthesiology Physician1912218199
- Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
- Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
- Joseph Abdelmalek, M.DNephrology Physician1740485531
- Kristy AbelCertified Registered Nurse Anesthetist1962113035
- Paula Abeleda, NPFamily Nurse Practitioner1558945022
Verify Jacob H. Fennessy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A141175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
498 Medicare Part D claims for 93 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 149 claims were for opioids.
Most prescribed
- Celecoxib151 claims
- Prednisone64 claims
- Oxycodone-Acetaminophen53 claims
- Tramadol Hcl51 claims
- Hydrocodone-Acetaminophen37 claims
- Tizanidine Hcl31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $8,725.00
18 payments; by number, the most common kind was food and beverage; the largest payer was Globus Medical, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob H. Fennessy among 314 orthopaedic surgery of the spine physician records in California
Jacob H. Fennessy, M.D. is one of 314 orthopaedic surgery of the spine physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2014 · median 2003 among the 226 with a school on file
- Record last updated2022 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in California
There are 314 orthopaedic surgery of the spine physician records in California.
All 314 in California → Every provider in San Diego → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Richard Allen, MD, PHDSan Diego, CA 921031962660175
- Steven Garfin, M.D.San Diego, CA 921031679515829
- Oliver Tannous, M.D.San Diego, CA 921031285952655
- Vinko Zlomislic, MDSan Diego, CA 921031346351509
- Kamshad Raiszadeh, M.D.San Diego, CA 921081841356664
- Jean-Jacques Abitbol, MDSan Diego, CA 921111245281856
- Eric Korsh, M.D.San Diego, CA 921111992760169
- Christopher Dijanic, MDLa Jolla, CA 920931295396281
Common questions
What is Jacob H. Fennessy, M.D.'s NPI number?
Jacob H. Fennessy, M.D.'s National Provider Identifier (NPI) is 1972923704, issued on Apr 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jacob H. Fennessy, M.D. located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Jacob H. Fennessy, M.D.'s license?
NPPES lists California license number A141175, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jacob H. Fennessy, M.D. prescribe under Medicare Part D?
In 2024, Jacob H. Fennessy, M.D. had 498 Medicare Part D claims for 93 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.