Mark Buchanan, M.D.
NPI 1104825637 · Urology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Buchanan, M.D. is a Urology Physician provider in Charleston, SC (NPI 1104825637).
Provider details
- NPI number
- 1104825637
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 019842 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,211 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 | 1,537 | $16 |
| Urinalysis, Manual Test81002 | 1,494 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 968 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 704 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 333 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 533 | 187 |
| Mirabegronbrand: Myrbetriq | 173 | 51 |
| Finasteride | 164 | 58 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 98 | 81 |
| Ciprofloxacin Hcl | 93 | 84 |
| Solifenacin Succinate | 61 | 24 |
| Vibegronbrand: Gemtesa | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$782 across 37 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
Registry dates
- Enumerated
- 2005-07-18
- Last updated
- 2017-02-17
Frequently asked questions
- What is Mark Buchanan's NPI number?
- Mark Buchanan's National Provider Identifier (NPI) is 1104825637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Buchanan's specialty?
- Mark Buchanan is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Buchanan located?
- Mark Buchanan's practice location on file with NPPES is 1470 Tobias Gadson Blvd, Charleston, SC 29407-4707.
- What is Mark Buchanan's phone number?
- The practice phone number listed in the NPPES registry for Mark Buchanan is (843) 556-7060.
- Does Mark Buchanan accept Medicare?
- Mark Buchanan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Buchanan's NPI active?
- Yes — Mark Buchanan's NPI (1104825637) is active in the NPPES registry as of the last update on 2017-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.