MRS. SHARMAINE K MERCER MSN, AGACNP, PMHNP
NPI 1831805274
Nurse Practitioner - Acute Care in Smyrna, GA

Q: What is Sharmaine Mercer's NPI number?

The NPI number for Sharmaine Mercer is 1831805274. It was assigned to this individual provider in the NPPES registry on January 30, 2023. The provider is also known as Sharmaine K Nobel.

Q: What is Sharmaine Mercer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Sharmaine Mercer was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since January 30, 2023PECOS EnrolledAccepts Medicare Assignment

3188 ATLANTA RD SE, SMYRNA, GA 30080(404) 787-4424(404) 745-0389 Get Directions Write a Review

NPPES record last updated: March 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 9, 2026, May 15, 2024, Mar 8, 2023 and 1 more (4 updates tracked since 2023).

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About Mrs. Sharmaine K Mercer Msn, Agacnp, Pmhnp NPPES

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

MRS. SHARMAINE K MERCER MSN, AGACNP, PMHNP (NPI 1831805274) is an individual acute care provider in Smyrna, Georgia, licensed in Georgia (282183) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1831805274

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameMRS. SHARMAINE K MERCERCredential: MSN, AGACNP, PMHNP

Location Address3188 ATLANTA RD SESmyrna, GA 30080-8256

Mailing Address2493 Reynolds Rd SwAtlanta, GA 30331-7728 · (404) 787-4424 · Fax (404) 745-0389

Phone(404) 787-4424

Fax(404) 745-0389

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateJanuary 30, 2023

Last NPPES UpdateMarch 9, 20264 updates tracked since enumeration

NPPES CertifiedMarch 9, 2026

✔ NPI 1831805274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in GA · 282183

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 282183 (GA)

Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 282183 (GA)

3188 ATLANTA RD SE, Smyrna, GA 30080

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Other Names 1

Former Name (1)Sharmaine K Nobel

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Sharmaine K Mercer Msn, Agacnp, Pmhnp 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 ID7618331380

PECOS Enrollment IDI20230913003071

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.

Areas of Expertise CMS Part B claims

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

25 services20 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Grady Memorial Hospital

Acute Care Hospitals · Atlanta, GA

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number110079

Location80 Jesse Hill, Jr Drive SEAtlanta, GA 30303 · Fulton County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30080 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

$88.06 typical visit price

range $56.84 – $172.43

Typical copayment $22.01 (range $14.21 – $43.10)

Most-billed visit code 99203

Established Patient

$100.20 typical visit price

range $18.22 – $140.40

Typical copayment $25.05 (range $4.55 – $35.10)

Most-billed visit code 99214

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 16

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

MR. BRETT M RYABIK MD

Psychiatry & Neurology (Psychiatry)