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Dr. Robert Hennessy, MD

  • Worcester, MA
  • Anesthesiologist
NPI1992789820
Industry payments
$43
State license
1
Year NPI issued
2005
Practice address
55 Lake Ave N, Worcester, MA 01655
Practice phone
Call (508) 334-3271
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Robert Hennessy is an anesthesiologist in Worcester, Massachusetts

Dr. Hennessy practices in Worcester, Massachusetts.

Dr. Hennessy's NPI, 1992789820, was assigned on December 5, 2005. Dr. Hennessy holds Massachusetts license 51686.

NPI and contact details
NPI
1992789820NPI Registry (opens in a new tab)
NPI enumeration date
December 5, 2005
NPI status
Active
Practice phone
(508) 334-3271
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Dr. Robert Hennessy's practice address is in Worcester, Massachusetts

Dr. Hennessy's practice address in the NPI Registry is 55 Lake Ave N, Worcester, MA 01655. The practice phone is (508) 334-3271.

  • NPI Registry address
    55 Lake Ave N, Worcester, MA 01655Phone(508) 334-3271

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

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

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

EHR by site
SiteEHR vendor and product
Dr. Hennessy's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert Hennessy is one of 1,552 anesthesiologists in Massachusetts

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

Specialties and state licenses

  • Anesthesiology, MassachusettsPrimaryLicense 51686 · taxonomy 207L00000X

Anesthesiologists near Dr. Hennessy

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

1,552anesthesiologists in Massachusetts32anesthesiologists in Worcester

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

Dr. Robert Hennessy received $43 in industry payments in 2024

CMS Open Payments shows 2 general payments to Dr. Hennessy from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $43.

Companies that paid Dr. Hennessy the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Hennessy

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

Sources for Dr. Robert Hennessy'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
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. Robert Hennessy

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. Robert Hennessy's NPI number?

Dr. Robert Hennessy's NPI number is 1992789820. It was assigned on December 5, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Hennessy?

Dr. Robert Hennessy is an anesthesiologist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Robert Hennessy practice?

Dr. Hennessy practices at 55 Lake Ave N, Worcester, MA 01655.

What is Dr. Robert Hennessy's office phone number?

The practice phone on file for Dr. Hennessy is (508) 334-3271.

What is Dr. Robert Hennessy's medical license number?

Dr. Hennessy holds Massachusetts license 51686.

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

CMS Open Payments shows $43 in general payments to Dr. Hennessy from 1 company from 2024 to 2024. The largest total came from Abiomed.

How long has Dr. Robert Hennessy been practicing?

Dr. Hennessy's NPI was assigned in 2005.

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