Douglas Nicholson, DO
NPI 1649273582 · Nephrology Physician · Rock Hill, SC
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Nicholson, DO is a Nephrology Physician provider in Rock Hill, SC (NPI 1649273582).
Provider details
- NPI number
- 1649273582
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0717 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
1,197 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 242 | $120 |
| 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 | 239 | $16 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 147 | $332 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 103 | $74 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure, Each Additional 15 Minutes99153 | 75 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Torsemide | 53 | 26 |
| Allopurinol | 48 | 17 |
| Amlodipine Besylate | 46 | 20 |
| Spironolactone | 46 | 18 |
| Carvedilol | 41 | 16 |
| Prednisone | 37 | 17 |
| Metoprolol Succinate | 33 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71 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)
- 322 S Main StLancaster, SC 29720-2437Phone: (803) 286-8446
Registry dates
- Enumerated
- 2005-05-24
- Last updated
- 2026-02-05
- Certified
- 2026-02-05
Frequently asked questions
- What is Douglas Nicholson's NPI number?
- Douglas Nicholson's National Provider Identifier (NPI) is 1649273582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Nicholson's specialty?
- Douglas Nicholson is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Nicholson located?
- Douglas Nicholson's practice location on file with NPPES is 1436 Riverchase Blvd, Rock Hill, SC 29732-1777.
- What is Douglas Nicholson's phone number?
- The practice phone number listed in the NPPES registry for Douglas Nicholson is (803) 329-2636.
- Does Douglas Nicholson accept Medicare?
- Douglas Nicholson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Nicholson's NPI active?
- Yes — Douglas Nicholson's NPI (1649273582) is active in the NPPES registry as of the last update on 2026-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.