DR. ROBERTHA MENDEZ MD
NPI 1972987907
Internal Medicine - Geriatric Medicine in Montclair, NJ
About Dr. Robertha Mendez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERTHA MENDEZ MD (NPI 1972987907) is an individual geriatric medicine provider in Montclair, New Jersey, licensed in New Jersey (25MA11000300) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Hackensack, and is a graduate of Rutgers New Jersey Medical School (2009).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Accepted Insurance
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
Dr. Robertha Mendez 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.
Medicare Billing Reassignments
4Medicare enrollment records show Robertha Mendez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Montclair, NJ 07042
- Reassigned Medicare billing, New Jersey enrollment
- 64 clinicians in this Medicare group
Princeton, NJ 08540
- Reassigned Medicare billing, New Jersey enrollment
- 421 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 689 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MONTCLAIR, NJ 07042
MONTCLAIR, NJ 07042
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 Robertha Mendez's NPI number?
The NPI number for Robertha Mendez is 1972987907. It was assigned to this individual provider in the NPPES registry on July 20, 2015. The provider is also known as Dr. Robertha Miller MD.
Where is Robertha Mendez located?
Robertha Mendez practices at 28 Valley Rd # 148, Montclair, NJ 07042. The listed phone number is (973) 559-4600.
What is Robertha Mendez's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Robertha Mendez enrolled in Medicare?
Yes. Robertha Mendez 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 organizations bill Medicare for Robertha Mendez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robertha Mendez reassigns Medicare benefits to 4 organizations: Harmony Medical Services Of New Jersey LLC (Montclair, NJ), Signify Health Medical Associates Of New Jersey, LLC (Princeton, NJ), Hackensack Meridian Health Medical Group - Primary Care PC (Red Bank, NJ) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). Each 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 Robertha Mendez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robertha Mendez accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Robertha Mendez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Robertha Mendez was last updated on May 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.
# Dr. Robertha Mendez, MD · NPI 1972987907
Geriatric Medicine physician in Montclair, New Jersey. Individual provider, active in the CMS NPPES registry since July 20, 2015.
## Identity
- **NPI:** 1972987907 (Entity type: Individual)
- **Enumerated:** July 20, 2015
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** 25MA11000300 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 28 VALLEY RD # 148, Montclair, NJ 07042-2709
- **Phone:** (973) 559-4600 · **Fax:** (855) 998-4358
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Harmony Medical Services Of New Jersey LLC (NPI 1649873183, Montclair, NJ); Signify Health Medical Associates Of New Jersey, LLC (NPI 1174187728, Princeton, NJ); Hackensack Meridian Health Medical Group - Primary Care PC (NPI 1336203538, Red Bank, NJ); Hackensack Meridian Health Medical Group - Specialty Care PC (NPI 1215989249, Red Bank, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 2009
## Record status
- **NPPES last updated:** May 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1972987907) · Data from the CMS NPPES public registry.