Krystin Howell McWilliams, NP
Nurse Practitioner · Marietta, GA
Krystin Howell McWilliams, NP is a nurse practitioner with a practice address in Marietta, Georgia, and NPI 1699752949, issued on Dec 28, 2005. Check the license (Georgia APRN-RN148919, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Krystin Howell McWilliams
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- APRN-RN148919 GA
Self-reported in NPPES; status is on the state search - Practice location
- 61 Whitcher St NE, Marietta, GA 30060
- Phone
- (770) 429-0031
- Enumerated
- Dec 28, 2005
- Record last updated
- Oct 14, 2025
- Fax
- (678) 819-4299
- Medicare enrollment
- Enrolled (PECOS I20041227000081); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,109 in Georgia → Look up another NPI →
Also registered at 61 Whitcher St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Krystin Howell McWilliams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license APRN-RN148919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,031 Medicare Part D claims for 297 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Amlodipine Besylate123 claims
- Atorvastatin Calcium88 claims
- Eliquis70 claims
- Ezetimibe68 claims
- Rosuvastatin Calcium66 claims
- Metoprolol Succinate65 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 92.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Physiotherapy Associates IncDunwoody, GA
- The Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Krystin Howell McWilliams among 3,109 nurse practitioner records in Georgia
Krystin Howell McWilliams, NP is one of 3,109 nurse practitioner records with a practice address in Georgia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1999 · median 2018 among the 1,734 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
117 nurse practitioner records list a practice address in Marietta
They are 117 of the 6,900 NPPES records with a practice address in Marietta, and 3,109 nurse practitioner records in Georgia.
All 3,109 in Georgia → Every provider in Marietta → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Trina Cain, CNPMarietta, GA 300601013907054
- Carolyn Chaffins, CNPMarietta, GA 300601467442517
- Kathleen Daskal, CNPMarietta, GA 300601376517037
- Renee Figueroa, MSN, APRN, BCMarietta, GA 300601457356792
- Teri French-Mirtschink, NPMarietta, GA 300601801855671
- Linda Kiesler, CNPMarietta, GA 300601780674846
- Kay Kimball, CNPMarietta, GA 300601649260795
- Elise Pacitti, NPMarietta, GA 300601689667933
Common questions
What is Krystin Howell McWilliams, NP's NPI number?
Krystin Howell McWilliams, NP's National Provider Identifier (NPI) is 1699752949, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Krystin Howell McWilliams, NP located?
The NPPES record lists a practice address at 61 Whitcher St NE, Marietta, GA, 30060. Phone: (770) 429-0031. Providers update this record themselves, so call before visiting.
How can I verify Krystin Howell McWilliams, NP's license?
NPPES lists Georgia license number APRN-RN148919, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Krystin Howell McWilliams, NP prescribe under Medicare Part D?
In 2024, Krystin Howell McWilliams, NP had 1,031 Medicare Part D claims for 297 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Krystin Howell McWilliams, NP's MIPS final score?
The 2023 MIPS final score is 92.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.