Doctor profile · Federal record

Dr. Mark Loewen, M.D.

Surgery Physician (CMS: General Surgery) · Specialist · Hyannis, MA

  • NPI 1295747319
  • Accepts Medicare
  • MIPS 79.8 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Lewis Bay RD
Hyannis, MA 026015210
(508) 775-0800
fax (508) 771-8565

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 23, 2008
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Massachusetts #231062
Medicaid
MA #2133750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295747319. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
425
Distinct HCPCS
10
Medicare allowed
$59,149
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 93 62 $51
99212 Established patient office or other outpatient visit, 10-19 minutes 75 64 $59
99202 New patient office or other outpatient visit, 15-29 minutes 74 74 $75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 58 48 $81
47562 Removal of gallbladder using an endoscope 30 30 $664
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 22 22 $85
49505 Repair of groin hernia (5 years or older) 17 17 $522
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $133
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 13 13 $310

In context: peer comparison

Among 4 peers in Hyannis Surgery Physician, average services per provider: 42. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$114
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $56.94
Smith+Nephew, INC. 1 $38.95
Merck Sharp & Dohme LLC 1 $18.09

By nature of payment

Food and Beverage
$96
Education
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
70
Patients
59
Total drug cost
$169
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 32 29 $74
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 17 $61
Tramadol Hcl Generic 19 13 $34

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Loewen's medical specialty?
Dr. Mark Loewen practices Surgery Physician in Hyannis, MA.
Where does Dr. Mark Loewen practice?
Dr. Mark Loewen practices at 40 Lewis Bay RD, Hyannis, MA 026015210. Office phone: 5087750800.
What is Dr. Mark Loewen's NPI?
Dr. Mark Loewen's National Provider Identifier (NPI) is 1295747319, issued by NPPES.
Does Dr. Mark Loewen accept Medicare assignment?
Yes. Dr. Mark Loewen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Loewen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99212); New patient office or other outpatient visit (HCPCS 99202). Source: CMS Medicare Physician & Other Practitioners file.