Karen Griffiths, FNP-C
NPI 1851839484 · Family Nurse Practitioner · Lithonia, GA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Griffiths, FNP-C is a Family Nurse Practitioner provider in Lithonia, GA (NPI 1851839484).
Provider details
- NPI number
- 1851839484
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN135252 (GA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
268 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 134 | $69 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 49 | $106 |
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 46 | $154 |
| Residence Visit for New Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 75 Minutes99345 | 21 | $167 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 18 | $118 |
Typical Medicare-allowed amounts for these services range $69–$167 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 1200 Abernathy Rd Ste 1700Atlanta, GA 30328-5671Phone: (770) 325-0636Fax: (844) 749-0988
- 4836 Lantern CtLithonia, GA 30038-7552Phone: (678) 663-0442
Registry dates
- Enumerated
- 2017-02-02
- Last updated
- 2018-03-17
Frequently asked questions
- What is Karen Griffiths's NPI number?
- Karen Griffiths's National Provider Identifier (NPI) is 1851839484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Griffiths's specialty?
- Karen Griffiths is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Griffiths located?
- Karen Griffiths's practice location on file with NPPES is 4836 Lantern Ct, Lithonia, GA 30038-7552.
- What is Karen Griffiths's phone number?
- The practice phone number listed in the NPPES registry for Karen Griffiths is (678) 663-0442.
- Does Karen Griffiths accept Medicare?
- Karen Griffiths is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Griffiths's NPI active?
- Yes — Karen Griffiths's NPI (1851839484) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.