Sarah Kassaby, M.D.
NPI 1922428689 · Cytopathology Physician · Johnson City, TN
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Kassaby, M.D. is a Cytopathology Physician provider in Johnson City, TN (NPI 1922428689).
Provider details
- NPI number
- 1922428689
- Entity type
- Individual
- Primary specialty
- Cytopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD0000056897 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
2,515 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) |
|---|---|---|
| Evaluation of Fine Needle Aspirate88172 | 497 | $51 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 496 | $151 |
| Ultrasound Scan of Growth for Measuring Elasticity, Each Additional Growth76983 | 311 | $55 |
| Fine Needle Aspiration Biopsy Using Ultrasound Guidance, Each Additional Growth10006 | 246 | $54 |
| Fine Needle Aspiration Biopsy Using Ultrasound Guidance, First Growth10005 | 238 | $121 |
| Ultrasound Scan of Growth for Measuring Elasticity, First Growth76982 | 226 | $84 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-22
- Last updated
- 2020-10-28
- Certified
- 2020-10-28
Frequently asked questions
- What is Sarah Kassaby's NPI number?
- Sarah Kassaby's National Provider Identifier (NPI) is 1922428689, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Kassaby's specialty?
- Sarah Kassaby is listed in the NPPES registry with a primary specialty of Cytopathology Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Kassaby located?
- Sarah Kassaby's practice location on file with NPPES is 2400 Susannah St Ste a, Johnson City, TN 37601-1730.
- What is Sarah Kassaby's phone number?
- The practice phone number listed in the NPPES registry for Sarah Kassaby is (423) 283-4734.
- Does Sarah Kassaby accept Medicare?
- Sarah Kassaby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Kassaby's NPI active?
- Yes — Sarah Kassaby's NPI (1922428689) is active in the NPPES registry as of the last update on 2020-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.