Karen Stephens-Vasser, NP
NPI 1790427631 · Adult Health Nurse Practitioner · Marietta, GA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Stephens-Vasser, NP is a Adult Health Nurse Practitioner provider in Marietta, GA (NPI 1790427631).
Provider details
- NPI number
- 1790427631
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN153985 (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
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,225 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,506 | $90 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 235 | $62 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 167 | $71 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99437 | 149 | $50 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 67 | $128 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 31 | 25 |
| Gabapentin | 28 | 23 |
| Apixabanbrand: Eliquis | 25 | 19 |
| Tamsulosin Hcl | 20 | 13 |
| Megestrol Acetate | 19 | — |
| Amlodipine Besylate | 17 | 13 |
| Carvedilol | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-11
- Last updated
- 2022-04-11
- Certified
- 2022-04-11
Frequently asked questions
- What is Karen Stephens-Vasser's NPI number?
- Karen Stephens-Vasser's National Provider Identifier (NPI) is 1790427631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Stephens-Vasser's specialty?
- Karen Stephens-Vasser is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Stephens-Vasser located?
- Karen Stephens-Vasser's practice location on file with NPPES is 2617 Sandy Plains Rd Ste 1204b, Marietta, GA 30066-4213.
- What is Karen Stephens-Vasser's phone number?
- The practice phone number listed in the NPPES registry for Karen Stephens-Vasser is (470) 746-3434.
- Does Karen Stephens-Vasser accept Medicare?
- Karen Stephens-Vasser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Stephens-Vasser's NPI active?
- Yes — Karen Stephens-Vasser's NPI (1790427631) is active in the NPPES registry as of the last update on 2022-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.