MARK A. HARRIS MD
NPI 1720147333
Physical Medicine & Rehabilitation in San Diego, CA

Active since December 08, 2006PECOS EnrolledAccepts Medicare Assignment
4647 ZION AVE, SAN DIEGO, CA 92120(619) 528-5000 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark A. Harris Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK A. HARRIS MD (NPI 1720147333) is an individual physical medicine & rehabilitation provider in San Diego, California, licensed in California (A82210) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (2001).

NPPES Registry Identity

NPI1720147333
Entity TypeIndividualMale
Primary Taxonomy208100000X
Provider Legal NameMARK A. HARRISCredential: MD
Location Address4647 ZION AVESan Diego, CA 92120-2507
Mailing Address4647 Zion AveSan Diego, CA 92120-2507 · (619) 528-5000
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2001
Enumeration DateDecember 8, 2006
Last NPPES UpdateDecember 3, 2021
✔ NPI 1720147333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Medicine & RehabilitationAllopathic & Osteopathic Physicians
Taxonomy Code208100000X
License✔ Licensed in CA · A82210
Definition
Physical medicine and rehabilitation, also referred to as rehabilitation medicine, is the medical specialty concerned with diagnosing, evaluating, and treating patients with physical disabilities. These disabilities may arise from conditions affecting the musculoskeletal system such as neck and back pain, sports injuries, or other painful conditions affecting the limbs, such as carpal tunnel syndrome. Alternatively, the disabilities may result from neurological trauma or disease such as spinal cord injury, head injury or stroke. A physician certified in physical medicine and rehabilitation is often called a physiatrist. The primary goal of the physiatrist is to achieve maximal restoration of physical, psychological, social and vocational function through comprehensive rehabilitation. Pain management is often an important part of the role of the physiatrist. For diagnosis and evaluation, a physiatrist may include the techniques of electromyography to supplement the standard history, physical, x-ray and laboratory examinations. The physiatrist has expertise in the appropriate use of therapeutic exercise, prosthetics (artificial limbs), orthotics and mechanical and electrical devices.
4647 ZION AVE, San Diego, CA 92120

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark A. Harris Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971537028
PECOS Enrollment IDI20050919001052
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mark Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine
4647 ZION AVE, DEPARTMENT OF HOSPITAL MEDICINE
SAN DIEGO, CA 92120
Pharmacist
4647 ZION AVE
SAN DIEGO, CA 92120
Nurse Anesthetist, Certified Registered
4647 ZION AVE
SAN DIEGO, CA 92120
Social Worker (Clinical)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Pulmonary Disease)
4647 ZION AVE
SAN DIEGO, CA 92120
Internal Medicine (Infectious Disease)
4647 ZION AVE
SAN DIEGO, CA 92120

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Harris's NPI number?

The NPI number for Mark Harris is 1720147333. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Mark Harris located?

Mark Harris practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (619) 528-5000.

What is Mark Harris's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.

Is Mark Harris enrolled in Medicare?

Yes. Mark Harris is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mark Harris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Harris reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Harris was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.