Dr. Samson B. Ferm, MD

  • Cambridge, MA
  • Gastroenterologist
NPI1255785713PAC ID3274871694
Medicare services, 2024
665
Medicare patients, 2024
353
Part D claims, 2024
419
Publications
10
Hospital affiliations
2
Practice address
330 Mount Auburn Street, Cambridge, MA 02138
Practice phone
Call (617) 492-3500
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Mount Auburn Hospital

Hospital · Cambridge, Massachusetts

See all 6 affiliations

Find Dr. Ferm's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Samson B. Ferm is a gastroenterologist in Cambridge, Massachusetts

Dr. Ferm practices at Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health.

Dr. Ferm's NPI, 1255785713, was assigned on April 20, 2016. Dr. Ferm holds Massachusetts license 291614.

NPI and contact details
Medicare PAC ID
3274871694
NPI enumeration date
April 20, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 492-3500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Samson B. Ferm practices at Mount Auburn Hospital in Cambridge, Massachusetts

Dr. Ferm's primary practice is Mount Auburn Hospital, at 330 Mount Auburn Street, Cambridge, MA 02138 in Middlesex County. The practice phone is (617) 492-3500.

  • Mount Auburn Hospital
    330 Mount Auburn Street, Cambridge, MA 02138 · Middlesex CountyPhone(617) 492-3500

Source: Dmand AI Affiliation Data

Dr. Samson B. Ferm is affiliated with 4 sites of care and 2 medical groups

Dr. Ferm's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health. Dr. Ferm is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Ferm to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Ferm

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Samson B. Ferm's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ferm practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mount Auburn HospitalAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Ferm practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Samson B. Ferm is one of 597 gastroenterologists in Massachusetts

Gastroenterology is Dr. Ferm's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ferm is licensed in Massachusetts.

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 291614 · taxonomy 207RG0100X

Gastroenterologists near Dr. Ferm

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Samson B. Ferm billed Medicare for 665 services in 2024

CMS data shows 665 Medicare services from Dr. Ferm across 14 procedure codes in 2024, for 353 Medicare patients. Medicare paid $73,747 for them.

Medicare services, 2024665
Medicare patients353
Paid by Medicare$73,747
Procedure codes14

Dr. Ferm's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1372024: 311127%
Surgery
2023: 692024: 278303%
Other services
2023: 252024: 52108%
Tests and treatments
2023: 02024: 24

Where Dr. Ferm's Medicare services took place, 2024

  • In an office21632%
  • In a facility44968%

Dr. Ferm compared with the Massachusetts median for gastroenterologists, 2024

  • Dr. Ferm
  • Massachusetts median
Medicare services
665vs 51928% above
Medicare patients
353vs 343Close to median
Part D claims
342vs 30014% above

Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Ferm's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ferm

Need commercial claims for Dr. Ferm?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ferm and other gastroenterologists in Massachusetts.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Samson B. Ferm treated 353 Medicare patients in 2024, average age 75

CMS counts 353 Medicare patients who saw Dr. Ferm in 2024. The largest group is 65 to 74, with 159 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ferm's median patient age at 68, with 54% women.

Medicare patients, 2024353
Average age75
Average risk score1.42
Also on Medicaid17%

Dr. Ferm's Medicare patients by age, 2024

Dr. Ferm's Medicare patients by sex, 2024

  • Women19555%
  • Men15845%

Chronic conditions among Dr. Ferm's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis39%
  4. Anxiety31%
  5. Mood disorders30%
  6. Diabetes29%
  7. Ischemic heart disease29%
  8. Chronic kidney disease27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ferm's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Samson B. Ferm wrote 419 Medicare Part D claims in 2024

In 2024, Dr. Ferm wrote 419 Medicare Part D claims for 246 patients. 78% of them were for generic drugs. CMS names the drug for 342 of them, across 8 drugs with 11 or more claims each, at $68,421 in total drug cost. In 2023, CMS named 62 claims across 2 drugs.

Part D claims, 2024419
Drugs named by CMS8
Total drug cost$68,421
Part D patients246

Dr. Ferm's Part D claims by kind of drug, 2024

  • Generic325 claims78%
  • Brand-name94 claims22%

Dr. Ferm's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Ferm's Part D claims, 2024

  • Antibiotics4%16 of 419 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 622024: 342452%

Drugs named by CMS: 8 in 2024, 2 in 2023.

See all prescribing by Dr. Ferm

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Samson B. Ferm ranks in the 91st percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Ferm accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ferm as offering telehealth. CMS counts 211 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Ferm, more than 91% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Ferm ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
91st percentile211 procedures
Colonoscopy
74th percentile80 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find gastroenterologists like Dr. Ferm by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Samson B. Ferm has 10 publications on record

Dmand AI links 10 papers to Dr. Ferm, published from 2017 to 2020. 2017 was the busiest year, with 4. Dr. Ferm has published most often in J Investig Med High Impact Case Rep. Dr. Ferm's most frequent co-authors are Constantine George Fisher, MD, Sang Hoon Kim, MD and Akil Hassam, MD.

Papers10
Years published2017 to 2020

Dr. Ferm's papers by year, 2017 to 2020

Dr. Ferm's most frequent co-authors

Recent publications by Dr. Ferm

See all 10 publications and co-authors

See who Dr. Ferm researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ferm works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Samson B. Ferm received $635 in industry payments from 2022 to 2023

CMS Open Payments shows 14 general payments to Dr. Ferm from 4 drug and device companies from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $295.

General payments to Dr. Ferm by program year, 2022 to 2023

Companies that paid Dr. Ferm the most, 2022 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Ferm

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Samson B. Ferm's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Samson B. Ferm

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Samson B. Ferm's NPI number?

Dr. Samson B. Ferm's NPI number is 1255785713. It was assigned on April 20, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Samson B. Ferm?

Dr. Samson B. Ferm is a gastroenterologist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Samson B. Ferm practice?

Dr. Ferm practices at 330 Mount Auburn Street, Cambridge, MA 02138. Dr. Ferm's primary practice is Mount Auburn Hospital in Cambridge, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Ferm to 2 group practices and clinics and 1 medical group.

What is Dr. Samson B. Ferm's office phone number?

The practice phone on file for Dr. Ferm is (617) 492-3500.

What is Dr. Samson B. Ferm's medical license number?

Dr. Ferm holds Massachusetts license 291614.

Which hospitals is Dr. Samson B. Ferm affiliated with?

Dr. Ferm practices at Mount Auburn Hospital in Cambridge, Massachusetts. Dr. Ferm is also affiliated with Beth Israel Deaconess Medical Center.

What medical group is Dr. Samson B. Ferm part of?

Dr. Ferm is linked to Lahey Clinic. Dmand AI links Dr. Ferm to 1 more medical group.

Does Dr. Samson B. Ferm accept Medicare?

Yes. CMS data shows Dr. Ferm billed Medicare for 665 services in 2024, and Dr. Ferm accepts Medicare assignment.

Does Dr. Samson B. Ferm offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ferm as offering telehealth services.

How many Medicare patients does Dr. Samson B. Ferm see?

CMS counts 353 Medicare patients who saw Dr. Ferm in 2024, with an average age of 75.

Show 6 more questionsShow fewer questions

What services does Dr. Samson B. Ferm bill to Medicare?

In 2024, Dr. Ferm's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (43239) and surgery: digestive system (45385).

What drugs does Dr. Samson B. Ferm prescribe most?

In 2024 Medicare Part D data, Dr. Ferm's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Omeprazole and Creon.

Has Dr. Samson B. Ferm received payments from drug or device companies?

CMS Open Payments shows $635 in general payments to Dr. Ferm from 4 companies from 2022 to 2023. The largest total came from Abbvie Inc.

How long has Dr. Samson B. Ferm been practicing?

Dr. Ferm graduated from medical school in 2016, 10 years ago.

Does Dr. Samson B. Ferm do research?

Dmand AI links 10 publications to Dr. Ferm, published from 2017 to 2020.

Who does Dr. Samson B. Ferm publish with?

Dr. Ferm's most frequent co-authors are Constantine George Fisher, MD (3 shared papers), Sang Hoon Kim, MD (3 shared papers) and Akil Hassam, MD (2 shared papers).

Selling to gastroenterology practices?

See gastroenterologists in Massachusetts by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)