Dr. Alphonso Brown, MD

  • Cambridge, MA
  • Gastroenterologist
NPI1871579987PAC ID6204852502
Medicare services, 2024
1,003
Medicare patients, 2024
204
Part D claims, 2024
857
Hospital affiliations
2
Industry payments
$62
Practice address
1493 Cambridge Street, Cambridge, MA 02139
Practice phone
Call (617) 665-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

CHA Cambridge Hospital

Hospital · Cambridge, Massachusetts

See all 6 affiliations

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Dr. Alphonso Brown is a gastroenterologist in Cambridge, Massachusetts

Dr. Brown practices at CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance.

Dr. Brown's NPI, 1871579987, was assigned on December 20, 2005. Dr. Brown graduated from Harvard Medical School in 1994. Dr. Brown holds Massachusetts license 152241.

NPI and contact details
Medicare PAC ID
6204852502
NPI enumeration date
December 20, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(617) 665-1000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Alphonso Brown practices at CHA Cambridge Hospital in Cambridge, Massachusetts

Dr. Brown's primary practice is CHA Cambridge Hospital, at 1493 Cambridge Street, Cambridge, MA 02139 in Middlesex County. The practice phone is (617) 665-1000.

Source: Dmand AI Affiliation Data

Dr. Alphonso Brown is affiliated with 3 sites of care and 3 medical groups

Dr. Brown's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. Dr. Brown is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Brown to 2 more medical groups and 1 physician office, each named with a free account. Dr. Brown's employer is on file too: a hospital.

See all 6 affiliations for Dr. Brown

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

Dmand AI tracks the EHR system at Dr. Alphonso Brown's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brown practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
CHA Cambridge HospitalAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alphonso Brown is one of 597 gastroenterologists in Massachusetts

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

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 152241 · taxonomy 207RG0100X

Gastroenterologists near Dr. Brown

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. Alphonso Brown billed Medicare for 1,003 services in 2024

CMS data shows 1,003 Medicare services from Dr. Brown across 10 procedure codes in 2024, for 204 Medicare patients. Medicare paid $65,640 for them.

Medicare services, 20241,003
Medicare patients204
Paid by Medicare$65,640
Procedure codes10

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

  • 2023
  • 2024
Lab and pathology
2023: 5702024: 51011%
Office and hospital visits
2023: 3772024: 32115%
Surgery
2023: 1382024: 17225%

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

  • In an office78678%
  • In a facility21722%

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

  • Dr. Brown
  • Massachusetts median
Medicare services
1,003vs 51993% above
Medicare patients
204vs 34341% below
Part D claims
811vs 3002.7 times

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

Dr. Brown'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.

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

Dr. Alphonso Brown treated 204 Medicare patients in 2024, average age 69

CMS counts 204 Medicare patients who saw Dr. Brown in 2024. The largest group is 65 to 74, with 109 patients. 70% of them have high blood pressure, and 60% have high cholesterol. 60% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Brown's median patient age at 53, with 53% women.

Medicare patients, 2024204
Average age69
Average risk score1.54
Also on Medicaid60%

Dr. Brown's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Brown's Medicare patients by sex, 2024

  • Women11154%
  • Men9346%

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

  1. High blood pressure70%
  2. High cholesterol60%
  3. Anxiety44%
  4. Diabetes42%
  5. Mood disorders41%
  6. Depression37%
  7. Arthritis36%
  8. Chronic kidney disease31%

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

Dr. Brown's patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women53%
  • Men46%

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

Dr. Alphonso Brown wrote 857 Medicare Part D claims in 2024

In 2024, Dr. Brown wrote 857 Medicare Part D claims for 109 patients. 90% of them were for generic drugs. CMS names the drug for 811 of them, across 12 drugs with 11 or more claims each, at $57,336 in total drug cost. In 2023, CMS named 875 claims across 13 drugs.

Part D claims, 2024857
Drugs named by CMS12
Total drug cost$57,336
Part D patients109

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

  • Generic769 claims90%
  • Brand-name88 claims10%

Dr. Brown'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8752024: 8117%

Drugs named by CMS: 12 in 2024, 13 in 2023.

See all prescribing by Dr. Brown

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. Alphonso Brown ranks in the 59th percentile for colonoscopy in Medicare

Dr. Brown accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Brown as offering telehealth. CMS counts 41 procedures of colonoscopy by Dr. Brown, more than 59% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Brown ranks in Medicare procedure volume

Colonoscopy
59th percentile41 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
59th percentile39 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)

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Dr. Alphonso Brown received $62 in industry payments from 2016 to 2025

CMS Open Payments shows 4 general payments to Dr. Brown from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sebela Pharmaceuticals Inc. paid the most, $32.

General payments to Dr. Brown by program year, 2016 to 2025

Companies that paid Dr. Brown the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Brown

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

Dr. Alphonso Brown graduated from Harvard Medical School

Dr. Brown graduated from Harvard Medical School in 1994.

  1. Medical schoolHarvard Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. Alphonso Brown'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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. Alphonso Brown

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. Alphonso Brown's NPI number?

Dr. Alphonso Brown's NPI number is 1871579987. It was assigned on December 20, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Alphonso Brown?

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

Where does Dr. Alphonso Brown practice?

Dr. Brown practices at 1493 Cambridge Street, Cambridge, MA 02139. Dr. Brown's primary practice is CHA Cambridge Hospital in Cambridge, Massachusetts, part of Cambridge Health Alliance. Dmand AI also links Dr. Brown to 2 medical groups and 1 physician office.

What is Dr. Alphonso Brown's office phone number?

The practice phone on file for Dr. Brown is (617) 665-1000.

What is Dr. Alphonso Brown's medical license number?

Dr. Brown holds Massachusetts license 152241.

Which hospitals is Dr. Alphonso Brown affiliated with?

Dr. Brown practices at CHA Cambridge Hospital in Cambridge, Massachusetts. Dr. Brown is also affiliated with Beth Israel Deaconess Medical Center.

What medical group is Dr. Alphonso Brown part of?

Dr. Brown is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Brown to 2 more medical groups.

Does Dr. Alphonso Brown accept Medicare?

Yes. CMS data shows Dr. Brown billed Medicare for 1,003 services in 2024, and Dr. Brown accepts Medicare assignment.

Does Dr. Alphonso Brown offer telehealth?

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

How many Medicare patients does Dr. Alphonso Brown see?

CMS counts 204 Medicare patients who saw Dr. Brown in 2024, with an average age of 69.

Show 5 more questionsShow fewer questions

What services does Dr. Alphonso Brown bill to Medicare?

In 2024, Dr. Brown's most billed Medicare services were office visit, established patient (99213), lab and pathology test (80307) and lab and pathology test (82575).

Where did Dr. Alphonso Brown go to medical school?

Dr. Brown graduated from Harvard Medical School in 1994.

What drugs does Dr. Alphonso Brown prescribe most?

In 2024 Medicare Part D data, Dr. Brown's most prescribed drugs by claims were Buprenorphine-Naloxone, Pantoprazole Sodium and Famotidine.

Has Dr. Alphonso Brown received payments from drug or device companies?

CMS Open Payments shows $62 in general payments to Dr. Brown from 3 companies from 2016 to 2025. The largest total came from Sebela Pharmaceuticals Inc.

How long has Dr. Alphonso Brown been practicing?

Dr. Brown graduated from medical school in 1994, 32 years ago.

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