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

Dr. Robertha Mendez, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1972987907

Dr. Robertha Mendez, MD is an Internal Medicine in Montclair, New Jersey. Graduated from Rutgers New Jersey Medical School in 2009, 17 years ago. Practices with Harmony Medical Services of New Jersey LLC, a 28-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Jersey and New York.

Years since qualifying
17
Trained at
Rutgers New Jersey Medical School
Licensed in
NJ, NY
In the registry since
2015
Specialties on file
3
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

28 Valley Rd # 148
Montclair, NJ 07042-2709
Phone: (973) 559-4600
Fax: (855) 998-4358
Show map & directions

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

Additional practice locations (1)

  • 336 Prospect Ave, Hackensack, NJ 07601-2506 — (201) 678-1800

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 25MA11000300 (NJ)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 301664 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1972987907
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 20, 2015
Last updated in NPPESMay 23, 2025
Certification dateMay 23, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 2009 (17 years in practice)
Group practice Harmony Medical Services Of New Jersey Llc — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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