Mark Watts
NPI 1477177012 · Family Medicine Physician · Greenwood, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Watts is a Family Medicine Physician provider in Greenwood, SC (NPI 1477177012).
Provider details
- NPI number
- 1477177012
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 83228 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
719 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 359 | $115 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 154 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 122 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 84 | $160 |
Typical Medicare-allowed amounts for these services range $76–$160 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 21 | 17 |
| Atorvastatin Calcium | 18 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 | 17 |
| Doxycycline Hyclate | 15 | 15 |
| Prednisone | 14 | 13 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 13 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-29
- Last updated
- 2022-01-06
- Certified
- 2022-01-06
Frequently asked questions
- What is Mark Watts's NPI number?
- Mark Watts's National Provider Identifier (NPI) is 1477177012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Watts's specialty?
- Mark Watts is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Watts located?
- Mark Watts's practice location on file with NPPES is 155 Academy Ave, Greenwood, SC 29646-3869.
- What is Mark Watts's phone number?
- The practice phone number listed in the NPPES registry for Mark Watts is (864) 725-4865.
- Does Mark Watts accept Medicare?
- Mark Watts is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Watts's NPI active?
- Yes — Mark Watts's NPI (1477177012) is active in the NPPES registry as of the last update on 2022-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.