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KRYSTIN HOWELL MCWILLIAMS NP
NPI 1699752949
Nurse Practitioner in Marietta, GA

Active since December 28, 2005PECOS EnrolledAccepts Medicare Assignment
92.26/100
CMS Quality Rating
61 WHITCHER ST NE, SUITE 3100, MARIETTA, GA 30060(770) 429-0031(678) 819-4299 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Krystin Howell Mcwilliams Np NPPES

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

KRYSTIN HOWELL MCWILLIAMS NP (NPI 1699752949) is an individual nurse practitioner in Marietta, Georgia, licensed in Georgia (APRN-RN148919) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1699752949
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKRYSTIN HOWELL MCWILLIAMSCredential: NP
Location Address61 WHITCHER ST NE, SUITE 3100Marietta, GA 30060-1142
Mailing Address61 Whitcher St Ne, Suite 3100Marietta, GA 30060-1142 · (770) 429-0031 · Fax (678) 819-4299
Phone(770) 429-0031
Fax(678) 819-4299
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateDecember 28, 2005
Last NPPES UpdateOctober 14, 2025
NPPES CertifiedOctober 14, 2025
✔ NPI 1699752949 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in GA · APRN-RN148919
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
61 WHITCHER ST NE, Marietta, GA 30060
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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

Krystin Howell Mcwilliams Np 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 ID648236992
PECOS Enrollment IDI20041227000081
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 5

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
499 services406 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
52 services51 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
28 services28 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30060 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.

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.

92.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality73.83
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

CHILDREN'S CARRDIOVASCULAR MEDICINE P.C
Pediatrics (Pediatric Cardiology)
61 WHITCHER ST NE
MARIETTA, GA 30060
Cobb County (404) 943-0289
COBB HYPERBARIC MEDICINE, INC
Preventive Medicine (Undersea and Hyperbaric Medicine)
61 WHITCHER ST NE, SUITE 2150
MARIETTA, GA 30060
Cobb County (770) 422-4268
MARIANNE TARYLA MD
Emergency Medicine
61 WHITCHER ST NE, SUITE 2150
MARIETTA, GA 30060
Cobb County (770) 422-4268
DR. RICHARD W COHEN M.D.
Orthopaedic Surgery
61 WHITCHER ST NE, SUITE 1100
MARIETTA, GA 30060
Cobb County (770) 422-3290
MARINA SHIKHRIS WILDER MD
Preventive Medicine (Undersea and Hyperbaric Medicine)
61 WHITCHER ST NE, SUITE 2150
MARIETTA, GA 30060
Cobb County (770) 422-4268
GEORGIANA MASSAD PA-C
Physician Assistant
61 WHITCHER ST NE, SUITE 2100
MARIETTA, GA 30060
Cobb County (770) 423-0595
DAMON ROBERT DENZIN PHYSICIAN ASSISTANT
Physician Assistant
61 WHITCHER ST NE, SUITE 4100
MARIETTA, GA 30060
Cobb County (770) 590-4180
DR. WILLIAM JOHN BENEDICT JR. M.D.
Neurological Surgery
61 WHITCHER ST NE, SUITE 3110 KENNESTONE PHYSICIAN'S CENTER
MARIETTA, GA 30060
Cobb County (770) 422-2326

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 Krystin Mcwilliams's NPI number?

The NPI number for Krystin Mcwilliams is 1699752949. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is Krystin Mcwilliams located?

Krystin Mcwilliams practices at 61 Whitcher St NE Suite 3100, Marietta, GA 30060. The listed phone number is (770) 429-0031.

What is Krystin Mcwilliams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Krystin Mcwilliams enrolled in Medicare?

Yes. Krystin Mcwilliams 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.

When was this NPI record last updated?

The NPPES record for Krystin Mcwilliams was last updated on October 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.