Mark Knipfer, MD
NPI 1982650172 · Family Medicine Physician · Spartanburg, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Knipfer, MD is a Family Medicine Physician provider in Spartanburg, SC (NPI 1982650172).
Provider details
- NPI number
- 1982650172
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9263 (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
18,251 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,301 | $8 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,094 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,029 | $118 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 935 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 787 | $7 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 178 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 1,014 | 272 |
| Levothyroxine Sodium | 603 | 153 |
| Amlodipine Besylate | 433 | 115 |
| Losartan Potassium | 352 | 106 |
| Hydrochlorothiazide | 283 | 80 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 277 | 72 |
| Lorazepam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,830 across 85 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
- 2006-05-26
- Last updated
- 2012-02-14
Frequently asked questions
- What is Mark Knipfer's NPI number?
- Mark Knipfer's National Provider Identifier (NPI) is 1982650172, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Knipfer's specialty?
- Mark Knipfer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Knipfer located?
- Mark Knipfer's practice location on file with NPPES is 3021 Reidville Rd, Spartanburg, SC 29301-5643.
- What is Mark Knipfer's phone number?
- The practice phone number listed in the NPPES registry for Mark Knipfer is (864) 576-9201.
- Does Mark Knipfer accept Medicare?
- Mark Knipfer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Knipfer's NPI active?
- Yes — Mark Knipfer's NPI (1982650172) is active in the NPPES registry as of the last update on 2012-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.