Herrick Fisher

  • Boston, MA
  • Internist
NPI1205284908PAC ID7113213018
Medicare services, 2024
526
Medicare patients, 2024
189
Part D claims, 2024
64
Publications
7
Hospital affiliations
2
Practice address
75 Francis Street, Boston, MA 02115
Practice phone
Call (617) 732-5500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Brigham and Women's Hospital

Hospital · Boston, Massachusetts

See all 4 affiliations

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Herrick Fisher is an internist in Boston, Massachusetts

Herrick Fisher practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.

Herrick Fisher's NPI, 1205284908, was assigned on June 3, 2016. Herrick Fisher graduated from University of California, San Francisco School of Medicine in 2016. Herrick Fisher holds Massachusetts license 279035.

NPI and contact details
Medicare PAC ID
7113213018
NPI enumeration date
June 3, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 732-5500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
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)

Herrick Fisher practices at Brigham and Women's Hospital in Boston, Massachusetts

Herrick Fisher's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.

Source: Dmand AI Affiliation Data

Herrick Fisher is affiliated with 3 sites of care and 1 medical group

Herrick Fisher's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Herrick Fisher is also affiliated with Brigham and Women's Faulkner Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Herrick Fisher to 1 more hospital outpatient department, named with a free account.

See all 4 affiliations for Herrick Fisher

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

Dmand AI tracks the EHR system at Herrick Fisher's practice

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

EHR by site
SiteEHR vendor and product
Brigham and Women's HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Herrick Fisher is one of 5,528 internists in Massachusetts

Internal medicine is Herrick Fisher's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Herrick Fisher is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 279035 · taxonomy 207R00000X

Internists near Herrick Fisher

Counts of internists 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

Herrick Fisher billed Medicare for 526 services in 2024

CMS data shows 526 Medicare services from Herrick Fisher across 5 procedure codes in 2024, for 189 Medicare patients. Medicare paid $42,954 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024526
Medicare patients189
Paid by Medicare$42,954
Procedure codes5

Herrick Fisher's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5872024: 52610%

Herrick Fisher compared with the Massachusetts median for internists, 2024

  • Herrick Fisher
  • Massachusetts median
Medicare services
526vs 43122% above
Medicare patients
189vs 194Close to median
Part D claims
11vs 40297% below

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Herrick Fisher'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 Herrick Fisher

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

Herrick Fisher treated 189 Medicare patients in 2024, average age 75

CMS counts 189 Medicare patients who saw Herrick Fisher in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 3.16, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Herrick Fisher's median patient age at 70, with 45% women.

Medicare patients, 2024189
Average age75
Average risk score3.16
Also on Medicaid44%

Herrick Fisher's Medicare patients by age, 2024

Herrick Fisher's Medicare patients by sex, 2024

  • Women11862%
  • Men7138%

Chronic conditions among Herrick Fisher's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease57%
  4. Arthritis56%
  5. Mood disorders55%
  6. Ischemic heart disease51%
  7. Anxiety50%
  8. Depression50%

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

Herrick Fisher's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women45%
  • Men52%

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

Herrick Fisher wrote 64 Medicare Part D claims in 2024

In 2024, Herrick Fisher wrote 64 Medicare Part D claims for 20 patients. 86% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $178 in total drug cost. In 2018, CMS named 12 claims across 1 drug.

Part D claims, 202464
Drugs named by CMS1
Total drug cost$178
Part D patients20

Herrick Fisher's Part D claims by kind of drug, 2024

  • Generic55 claims86%
  • Brand-name and other9 claims14%

Herrick Fisher's most prescribed drugs by claims, 2019

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, 2018 to 2019

  • 2018
  • 2019
Claims for drugs CMS names
2018: 122019: 118%

Drugs named by CMS: 1 in 2019, 1 in 2018.

See all prescribing by Herrick Fisher

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

How Herrick Fisher takes part in Medicare

Herrick Fisher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

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

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Herrick Fisher has 7 publications on record

Dmand AI links 7 papers to Herrick Fisher, published from 2013 to 2025. 2021 was the busiest year, with 2. The most frequent topics are Internal Medicine, Internship and Residency and Microaggression. Herrick Fisher has published most often in J Gen Intern Med. Herrick Fisher's most frequent co-authors are Maria A. Yialamas, MD, Michelle Stacey Christopher, MD and William Joseph Gordon, MD.

Papers7
Years published2013 to 2025

Herrick Fisher's papers by year, 2013 to 2025

Topics Herrick Fisher writes about most

  • Internal Medicine
  • Internship and Residency
  • Microaggression

Herrick Fisher's most frequent co-authors

Recent publications by Herrick Fisher

See all 7 publications and co-authors

See who Herrick Fisher researches with

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

How network discovery works

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

Herrick Fisher graduated from University of California, San Francisco School of Medicine

Herrick Fisher graduated from University of California, San Francisco School of Medicine in 2016.

  1. Medical schoolUniversity of California, San Francisco School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Herrick Fisher'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
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 Herrick Fisher

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

What is Herrick Fisher's NPI number?

Herrick Fisher's NPI number is 1205284908. It was assigned on June 3, 2016, and it is active in the NPI Registry.

What does Herrick Fisher specialize in?

Herrick Fisher is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Herrick Fisher practice?

Herrick Fisher practices at 75 Francis Street, Boston, MA 02115. Herrick Fisher's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Herrick Fisher to 1 hospital outpatient department.

What is Herrick Fisher's office phone number?

The practice phone on file for Herrick Fisher is (617) 732-5500.

What is Herrick Fisher's medical license number?

Herrick Fisher holds Massachusetts license 279035.

Which hospitals is Herrick Fisher affiliated with?

Herrick Fisher practices at Brigham and Women's Hospital in Boston, Massachusetts. Herrick Fisher is also affiliated with Brigham and Women's Faulkner Hospital.

What medical group is Herrick Fisher part of?

Herrick Fisher is linked to Brigham and Women's Hospital.

Does Herrick Fisher accept Medicare?

Yes. CMS data shows Herrick Fisher billed Medicare for 526 services in 2024, and Herrick Fisher accepts Medicare assignment.

How many Medicare patients does Herrick Fisher see?

CMS counts 189 Medicare patients who saw Herrick Fisher in 2024, with an average age of 75.

What services does Herrick Fisher bill to Medicare?

In 2024, Herrick Fisher's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

Show 5 more questionsShow fewer questions

Where did Herrick Fisher go to medical school?

Herrick Fisher graduated from University of California, San Francisco School of Medicine in 2016.

What drugs does Herrick Fisher prescribe most?

In 2019 Medicare Part D data, Herrick Fisher's most prescribed drugs by claims were Nifedipine ER.

How long has Herrick Fisher been practicing?

Herrick Fisher graduated from medical school in 2016, 10 years ago.

Does Herrick Fisher do research?

Dmand AI links 7 publications to Herrick Fisher, published from 2013 to 2025.

Who does Herrick Fisher publish with?

Herrick Fisher's most frequent co-authors are Maria A. Yialamas, MD (3 shared papers), Michelle Stacey Christopher, MD (1 shared paper) and William Joseph Gordon, MD (1 shared paper).

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