Mark Harris, MD
NPI 1720147333 · Physical Medicine & Rehabilitation Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Harris, MD is a Physical Medicine & Rehabilitation Physician provider in San Diego, CA (NPI 1720147333).
Provider details
- NPI number
- 1720147333
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A82210 (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
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 132 | 27 |
| Gabapentin | 123 | 49 |
| Tramadol Hcl | 92 | 36 |
| Duloxetine Hcl | 81 | 34 |
| Tizanidine Hcl | 71 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 62 | 22 |
| Meloxicam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 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
- 2006-12-08
- Last updated
- 2021-12-03
Frequently asked questions
- What is Mark Harris's NPI number?
- Mark Harris's National Provider Identifier (NPI) is 1720147333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Harris's specialty?
- Mark Harris is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Harris located?
- Mark Harris's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.
- What is Mark Harris's phone number?
- The practice phone number listed in the NPPES registry for Mark Harris is (619) 528-5000.
- Does Mark Harris accept Medicare?
- Mark Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Harris's NPI active?
- Yes — Mark Harris's NPI (1720147333) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.