Dr. John Robert Benjamin, MD

  • Bethesda, MD
  • Anesthesiologist
NPI1578503199
Medicare services, 2020
15
Publications
7
Industry payments
$497
State license
1
Year NPI issued
2006
Practice address
8901 Rockville Pike, Bethesda, MD 20889
Practice phone
Call (301) 295-4934
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Walter Reed National Military Medical Center

Bethesda, Maryland

Find Dr. Benjamin'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. John Robert Benjamin is an anesthesiologist in Bethesda, Maryland

Dr. Benjamin practices at Walter Reed National Military Medical Center in Bethesda, Maryland.

Dr. Benjamin's NPI, 1578503199, was assigned on June 8, 2006. Dr. Benjamin holds Maryland license D0074911.

NPI and contact details
NPI enumeration date
June 8, 2006
NPI status
Active
Practice phone
(301) 295-4934
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Dr. John Robert Benjamin practices at Walter Reed National Military Medical Center in Bethesda, Maryland

Dr. Benjamin's primary practice is Walter Reed National Military Medical Center, at 8901 Rockville Pike, Bethesda, MD 20889 in Montgomery County. The practice phone is (301) 295-4934.

  • Walter Reed National Military Medical Center
    8901 Rockville Pike, Bethesda, MD 20889 · Montgomery CountyPhone(301) 295-4934

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. John Robert Benjamin is affiliated with 1 site of care

Dr. Benjamin's primary practice is Walter Reed National Military Medical Center in Bethesda, Maryland.

Walter Reed National Military Medical CenterBethesda, MarylandPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. John Robert Benjamin's practice

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

EHR by site
SiteEHR vendor and product
Walter Reed National Military Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Benjamin practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. John Robert Benjamin is one of 965 anesthesiologists in Maryland

Anesthesiology is Dr. Benjamin's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Benjamin is licensed in Maryland.

Specialties and state licenses

  • Anesthesiology, MarylandPrimaryLicense D0074911 · taxonomy 207L00000X

Anesthesiologists near Dr. Benjamin

Counts of anesthesiologists 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. John Robert Benjamin billed Medicare for 15 services in 2020

CMS data shows 15 Medicare services from Dr. Benjamin across 1 procedure code in 2020. Medicare paid $931 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202015
Paid by Medicare$931
Procedure codes1

Dr. Benjamin's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 362020: 1558%

Dr. Benjamin compared with the Maryland median for anesthesiologists, 2020

  • Dr. Benjamin
  • Maryland median
Medicare services
15vs 10185% below

Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.

Dr. Benjamin's most billed Medicare procedure codes, 2020

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. Benjamin

Need commercial claims for Dr. Benjamin?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Benjamin and other anesthesiologists in Maryland.

Book a meeting

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

Dr. John Robert Benjamin's patients have a median age of 44

Across all payers, Dmand AI patient panel data puts Dr. Benjamin's median patient age at 44, with 0% women.

Dr. Benjamin's patients across all payers

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

Patient panel by age, all payers

Median age 44

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

For MedTech and pharma teams

Find anesthesiologists like Dr. Benjamin 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. John Robert Benjamin has 7 publications on record

Dmand AI links 7 papers to Dr. Benjamin, published from 2020 to 2022. The most frequent topics are Intensive Care Units. Dr. Benjamin's most frequent co-authors are Bizhan Aarabi, MD, Rocco A. Armonda, MD and David M. Barra, MD.

Papers7
Years published2020 to 2022

Dr. Benjamin's papers by year, 2020 to 2022

Topics Dr. Benjamin writes about most

  • Intensive Care Units

Dr. Benjamin's most frequent co-authors

Recent publications by Dr. Benjamin

See all 7 publications and co-authors

See who Dr. Benjamin researches with

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

How network discovery works

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

Dr. John Robert Benjamin received $497 in industry payments from 2016 to 2017

CMS Open Payments shows 3 general payments to Dr. Benjamin from 3 drug and device companies from 2016 to 2017. Honoraria make up the largest share, 60% of the total. Bard Access Systems, Inc. paid the most, $300.

General payments to Dr. Benjamin by program year, 2016 to 2017

General payments to Dr. Benjamin by kind, 2016 to 2017

$497in total
  • Honoraria$30060%
  • Food and beverage$11723%
  • Education$8016%

Companies that paid Dr. Benjamin the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Benjamin

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

Sources for Dr. John Robert Benjamin'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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 Data
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. John Robert Benjamin

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. John Robert Benjamin's NPI number?

Dr. John Robert Benjamin's NPI number is 1578503199. It was assigned on June 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Robert Benjamin?

Dr. John Robert Benjamin is an anesthesiologist in Bethesda, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. John Robert Benjamin practice?

Dr. Benjamin practices at 8901 Rockville Pike, Bethesda, MD 20889. Dr. Benjamin's primary practice is Walter Reed National Military Medical Center in Bethesda, Maryland.

What is Dr. John Robert Benjamin's office phone number?

The practice phone on file for Dr. Benjamin is (301) 295-4934.

What is Dr. John Robert Benjamin's medical license number?

Dr. Benjamin holds Maryland license D0074911.

Does Dr. John Robert Benjamin accept Medicare?

Yes. CMS data shows Dr. Benjamin billed Medicare for 15 services in 2020.

What services does Dr. John Robert Benjamin bill to Medicare?

In 2020, Dr. Benjamin's most billed Medicare services were hospital inpatient care (99232).

Has Dr. John Robert Benjamin received payments from drug or device companies?

CMS Open Payments shows $497 in general payments to Dr. Benjamin from 3 companies from 2016 to 2017. The largest total came from Bard Access Systems, Inc.

How long has Dr. John Robert Benjamin been practicing?

Dr. Benjamin's NPI was assigned in 2006.

Does Dr. John Robert Benjamin do research?

Dmand AI links 7 publications to Dr. Benjamin, published from 2020 to 2022.

Who does Dr. John Robert Benjamin publish with?

Dr. Benjamin's most frequent co-authors are Bizhan Aarabi, MD (1 shared paper), Rocco A. Armonda, MD (1 shared paper) and David M. Barra, MD (1 shared paper).

Selling to anesthesiology practices?

See anesthesiologists in Maryland 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)