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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RIA MERCY RICHARDS MD
NPI 1891445342
Obstetrics & Gynecology in Lawrenceville, GA

Active since March 27, 2022PECOS Enrolled
500 MEDICAL CENTER BLVD STE 190, LAWRENCEVILLE, GA 30046(770) 643-4115(678) 377-3820 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ria Mercy Richards Md NPPES

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

RIA MERCY RICHARDS MD (NPI 1891445342) is an individual obstetrics & gynecology provider in Lawrenceville, Georgia, licensed in Georgia (112318) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1891445342
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameRIA MERCY RICHARDSCredential: MD
Location Address500 MEDICAL CENTER BLVD STE 190Lawrenceville, GA 30046-3379
Mailing Address500 Medical Center Blvd Ste 190Lawrenceville, GA 30046-3379 · (770) 643-4115 · Fax (678) 377-3820
Phone(770) 643-4115
Fax(678) 377-3820
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 27, 2022
Last NPPES UpdateOctober 23, 2026
NPPES CertifiedOctober 23, 2026
✔ NPI 1891445342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in GA · 112318
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
500 MEDICAL CENTER BLVD STE 190, Lawrenceville, GA 30046
Open in Google Maps ↗

Other Names 1

Former Name (1)Ria Mercy Manimalethu

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ria Mercy Richards Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9335605278
PECOS Enrollment IDI20260730002428
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 Ria Richards reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gwinnett Physician Group, LLC
0.2 mi
Internal Medicine
1000 MEDICAL CENTER BLVD, MOB 100 SUITE 210
Lawrenceville, GA 30046
  • Reassigned Medicare billing, Georgia enrollment
  • 275 clinicians in this Medicare group
NPI 1578574661 (855) 709-4535

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30046 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.64 typical visit price
range $56.84 – $172.43
Typical copayment $32.66 (range $14.21 – $43.10)
Most-billed visit code 99204
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

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

DR. GINA R HARRIS D.O.
Obstetrics & Gynecology
500 MEDICAL CENTER BLVD STE 190
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 643-4115
TONYA MARIE HEMMINGS CNM
Advanced Practice Midwife
500 MEDICAL CENTER BLVD STE 190
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 643-4115
DR. MADELINE R HERRERA DO
Obstetrics & Gynecology
500 MEDICAL CENTER BLVD STE 190
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 643-4115
DR. MAHELATE THEODROS DO
Obstetrics & Gynecology
500 MEDICAL CENTER BLVD STE 190
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 643-4115
DR. MELANIE ERIN WATKINS MD
Obstetrics & Gynecology
500 MEDICAL CENTER BLVD STE 190
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 643-4115
FAUZIYA ALI MALANI RN, APRN, FNP/ENP
Nurse Practitioner (Family)
500 MEDICAL CENTER BLVD STE 190
LAWRENCEVILLE, GA 30046
Gwinnett County (678) 312-3290
DR. KATIE ELIZABETH TUGGLE M.D.
Obstetrics & Gynecology
500 MEDICAL CENTER BLVD STE 190
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 643-4115

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 Ria Richards's NPI number?

The NPI number for Ria Richards is 1891445342. It was assigned to this individual provider in the NPPES registry on March 27, 2022. The provider is also known as Ria Mercy Manimalethu.

Where is Ria Richards located?

Ria Richards practices at 500 Medical Center Blvd Ste 190, Lawrenceville, GA 30046. The listed phone number is (770) 643-4115.

What is Ria Richards's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Ria Richards enrolled in Medicare?

Yes. Ria Richards is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ria Richards's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ria Richards reassigns Medicare benefits to Gwinnett Physician Group, LLC (Lawrenceville, GA). 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 Ria Richards's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ria Richards accept?

Health plans from Oscar Health list Ria Richards 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 Ria Richards was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.