Doctor profile · Federal record

Dr. Mark Knipfer, MD

Family Medicine Physician (CMS: Family Practice) · Spartanburg, SC

  • NPI 1982650172
  • Accepts Medicare
  • MIPS 99.8 / 100 · 2023
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3021 Reidville RD
Spartanburg, SC 293015643
(864) 576-9201
fax (864) 576-6584

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 14, 2012
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
South Carolina #9263
Medicaid
SC #092633

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982650172. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17,483
Distinct HCPCS
10
Medicare allowed
$503,155
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 1,309 443 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 924 419 $118
80053 Blood test, comprehensive group of blood chemicals 839 417 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 812 411 $8
80061 Blood test, lipids (cholesterol and triglycerides) 771 424 $13
82550 Creatine kinase (cardiac enzyme) level, total 763 422 $6
82977 Glutamyltransferase (liver enzyme) level 746 417 $7
J1100 Injection, dexamethasone sodium phosphate, 1 mg 687 109 $0
82043 Urine microalbumin (protein) level 651 371 $6
82570 Creatinine level to test for kidney function or muscle injury 650 370 $5

In context: peer comparison

Among 38 peers in this city , average services per provider: 181. This provider delivers 97× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,830
Transactions
73
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 8 $527.28
PFIZER INC. 12 $203.09
ABBVIE INC. 19 $195.34
Salix Pharmaceuticals, a division of Bausch Health US, LLC 5 $93.85
Abbott Laboratories 4 $87.12
Phathom Pharmaceuticals, Inc. 1 $79.25
Astellas Pharma US Inc 4 $64.62
Sumitomo Pharma America, Inc. 3 $58.93
Amgen Inc. 3 $54.32
Lilly USA, LLC 3 $53.81
Recor Medical Inc 2 $50.32
ABIOMED 2 $46.46
Corcept Therapeutics 3 $45.34
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $33.17
Merck Sharp & Dohme LLC 2 $31.69

By nature of payment

Food and Beverage
$1,830

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,921
Patients
1,470
Total drug cost
$77,225
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 971 265 $28,073
Levothyroxine Sodium Generic 587 149 $7,563
Amlodipine Besylate Generic 383 105 $2,644
Losartan Potassium Generic 320 100 $4,425
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 287 77 $6,431
Metoprolol Succinate Generic 284 81 $4,336
Lorazepam Generic 261 53 $1,453
Hydrochlorothiazide Generic 255 76 $1,492
Metformin Hcl Er (Metformin Hcl) Brand 248 72 $6,217
Omeprazole Generic 244 74 $2,353

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Knipfer's medical specialty?
Dr. Mark Knipfer practices Family Medicine Physician in Spartanburg, SC.
Where does Dr. Mark Knipfer practice?
Dr. Mark Knipfer practices at 3021 Reidville RD, Spartanburg, SC 293015643. Office phone: 8645769201.
What is Dr. Mark Knipfer's NPI?
Dr. Mark Knipfer's National Provider Identifier (NPI) is 1982650172, issued by NPPES.
Does Dr. Mark Knipfer accept Medicare assignment?
Yes. Dr. Mark Knipfer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Knipfer commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.