Mercedes Witt, PA-C
NPI 1154965242 · Physician Assistant · Clarksville, TN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mercedes Witt, PA-C is a Physician Assistant provider in Clarksville, TN (NPI 1154965242).
Provider details
- NPI number
- 1154965242
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 4401 (TN)
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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
252 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 111 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 90 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $79 |
| Face-To-Face Educational Services Related to the Care of Chronic Kidney Disease; Individual, Per Session, Per One HourG0420 | 17 | $86 |
Typical Medicare-allowed amounts for these services range $13–$86 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcium Acetate | 35 | 15 |
| Sevelamer Carbonate | 30 | — |
| Furosemide | 22 | — |
| Bumetanide | 21 | — |
| Carvedilol | 21 | 11 |
| Losartan Potassium | 21 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 13 | — |
| Hydralazine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 235 Oak StreetPortland, TN 37148Phone: (615) 802-1087Fax: (615) 802-1088
Registry dates
- Enumerated
- 2019-10-31
- Last updated
- 2025-11-12
- Certified
- 2025-11-12
Frequently asked questions
- What is Mercedes Witt's NPI number?
- Mercedes Witt's National Provider Identifier (NPI) is 1154965242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mercedes Witt's specialty?
- Mercedes Witt is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mercedes Witt located?
- Mercedes Witt's practice location on file with NPPES is 1763 Madison St, Clarksville, TN 37043-4990.
- What is Mercedes Witt's phone number?
- The practice phone number listed in the NPPES registry for Mercedes Witt is (931) 278-8000.
- Does Mercedes Witt accept Medicare?
- Mercedes Witt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mercedes Witt's NPI active?
- Yes — Mercedes Witt's NPI (1154965242) is active in the NPPES registry as of the last update on 2025-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.