Doctor profile · Federal record

Dr. Samson Ferm, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Cambridge, MA

  • NPI 1255785713
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Mount Auburn St Ste 414
Cambridge, MA 021385665
(617) 864-0503
fax (617) 441-4033
Additional location
41 Mall RD
Burlington, MA 018052625
(781) 744-8000
Mailing address
330 Mt Auburn St, Parson 2
Cambridge, MA 02138

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
June 5, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #291614

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255785713. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
231
Distinct HCPCS
8
Medicare allowed
$30,753
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 32 $84
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 32 32 $258
99214 Established patient office or other outpatient visit, 30-39 minutes 31 25 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 29 27 $184
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 25 25 $6
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 22 22 $114
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $182
45380 Biopsy of large bowel using a flexible endoscope 15 15 $134

In context: peer comparison

Among 6 peers in this city , average services per provider: 43. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
62
Patients
55
Total drug cost
$3,807
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 44 44 $3,332
Pantoprazole Sodium Generic 18 11 $475

Frequently asked questions

Auto-generated from federal data
What is Dr. Samson Ferm's medical specialty?
Dr. Samson Ferm practices Gastroenterology Physician in Cambridge, MA.
Where does Dr. Samson Ferm practice?
Dr. Samson Ferm practices at 300 Mount Auburn St Ste 414, Cambridge, MA 021385665. Office phone: 6178640503.
What is Dr. Samson Ferm's NPI?
Dr. Samson Ferm's National Provider Identifier (NPI) is 1255785713, issued by NPPES.
Does Dr. Samson Ferm accept Medicare assignment?
Yes. Dr. Samson Ferm accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samson Ferm commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.