Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Marshall Strong, MD

Individual provider Family Medicine Physician · NPI 1043248719

Dr. John Marshall Strong, MD is a Family Practice in El Centro, California. Qualified in 1979, 47 years ago. Practices with Legacy MD Medical Group Inc, a 12-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
47
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1699 N Imperial Ave
El Centro, CA 92243-1320
Phone: (760) 352-2551
Fax: (888) 631-5150
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G85954 (CA)
Allergy Physician Taxonomy 207KA0200X · Licence G85954 (CA)

Record details

NPI number1043248719
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESApril 9, 2025
Certification dateApril 9, 2025
Mailing address1699 N Imperial Ave, El Centro, CA 92243-1320

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Group practice Legacy Md Medical Group Inc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in El Centro