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Dr. Peter Sam Hacker, MD
NPI1679649073
- Medicare services, 2019
- 565
- Part D claims, 2020
- 64
- Publications
- 3
- Industry payments
- $154
- State license
- 1
- Practice address
- 41 Mill St, Burlington, MA 01803
- Practice phone
- Call (603) 577-5315
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Peter Sam Hacker is an internist in Burlington, Massachusetts
Dr. Hacker practices in Burlington, Massachusetts.
Dr. Hacker's NPI, 1679649073, was assigned on November 28, 2006. Dr. Hacker holds New Hampshire license 5774.
NPI and contact details
- NPI
- 1679649073NPI Registry (opens in a new tab)
- NPI enumeration date
- November 28, 2006
- NPI status
- Active
- Practice phone
- (603) 577-5315
- 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. Peter Sam Hacker's practice address is in Burlington, Massachusetts
Dr. Hacker's practice address in the NPI Registry is 41 Mill St, Burlington, MA 01803, in Middlesex County. The practice phone is (603) 577-5315.
- NPI Registry address41 Mill St, Burlington, MA 01803 · Middlesex CountyPhone(603) 577-5315
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Peter Sam Hacker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hacker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Hacker's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Sam Hacker is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Hacker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hacker is licensed in New Hampshire.
Specialties and state licenses
- Internal medicine, New HampshirePrimary
Internists near Dr. Hacker
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
Dr. Peter Sam Hacker billed Medicare for 565 services in 2019
CMS data shows 565 Medicare services from Dr. Hacker across 7 procedure codes in 2019. Medicare paid $34,336 for them. Every service was in an office.
Medicare services, 2019565
Paid by Medicare$34,336
Procedure codes7
Dr. Hacker's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 1,0442019: 46256%
- Other services
- 2018: 3352019: 7179%
- Tests and treatments
- 2018: 3362019: 3290%
- Drugs given in the office
- 2018: 612019: 0100%
- Lab and pathology
- 2018: 372019: 0100%
- Surgery
- 2018: 142019: 0100%
Dr. Hacker compared with the Massachusetts median for internists, 2019
- Dr. Hacker
- Massachusetts median
- Medicare services
- 565vs 43131% above
- Part D claims
- 64vs 40284% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Hacker's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hacker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hacker and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Sam Hacker's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Hacker's median patient age at 70, with 39% women.
Dr. Hacker'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
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. Peter Sam Hacker wrote 64 Medicare Part D claims in 2020
In 2020, Dr. Hacker wrote 64 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $737 in total drug cost. In 2019, CMS named 2,926 claims across 60 drugs.
Part D claims, 202064
Drugs named by CMS4
Total drug cost$737
Dr. Hacker's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2,9262020: 6498%
Drugs named by CMS: 4 in 2020, 60 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Peter Sam Hacker has 3 publications on record
Dmand AI links 3 papers to Dr. Hacker, published from 2014 to 2022. The most frequent topics are Cognition and Neurosciences. Dr. Hacker has published most often in Cogn Neurosci. Dr. Hacker's most frequent co-authors are Isaac Marin-Valencia, MD, MS, Juan Manuel Pascual, MD, PhD and Karthik Rajasekaran, MD.
Papers3
Years published2014 to 2022
Dr. Hacker's papers by year, 2014 to 2022
Topics Dr. Hacker writes about most
- Cognition
- Neurosciences
Dr. Hacker's most frequent co-authors
- Isaac Marin-Valencia, MD, MS1 shared paper
- Juan Manuel Pascual, MD, PhD1 shared paper
- Karthik Rajasekaran, MD1 shared paper
Recent publications by Dr. Hacker
Cogn Neurosci
BrainCognitionIntention
BiasCognitionNeurosciences
See who Dr. Hacker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hacker works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter Sam Hacker received $154 in industry payments from 2016 to 2018
CMS Open Payments shows 3 general payments to Dr. Hacker from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $75.
General payments to Dr. Hacker by program year, 2016 to 2018
Companies that paid Dr. Hacker the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Peter Sam Hacker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Peter Sam Hacker
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. Peter Sam Hacker's NPI number?
Dr. Peter Sam Hacker's NPI number is 1679649073. It was assigned on November 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Sam Hacker?
Dr. Peter Sam Hacker is an internist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Peter Sam Hacker practice?
Dr. Hacker practices at 41 Mill St, Burlington, MA 01803.
What is Dr. Peter Sam Hacker's office phone number?
The practice phone on file for Dr. Hacker is (603) 577-5315.
What is Dr. Peter Sam Hacker's medical license number?
Dr. Hacker holds New Hampshire license 5774.
Does Dr. Peter Sam Hacker accept Medicare?
Yes. CMS data shows Dr. Hacker billed Medicare for 565 services in 2019.
What services does Dr. Peter Sam Hacker bill to Medicare?
In 2019, Dr. Hacker's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0439).
What drugs does Dr. Peter Sam Hacker prescribe most?
In 2020 Medicare Part D data, Dr. Hacker's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Hydrochlorothiazide.
Has Dr. Peter Sam Hacker received payments from drug or device companies?
CMS Open Payments shows $154 in general payments to Dr. Hacker from 3 companies from 2016 to 2018. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Peter Sam Hacker been practicing?
Dr. Hacker's NPI was assigned in 2006.
Does Dr. Peter Sam Hacker do research?
Dmand AI links 3 publications to Dr. Hacker, published from 2014 to 2022.
Who does Dr. Peter Sam Hacker publish with?
Dr. Hacker's most frequent co-authors are Isaac Marin-Valencia, MD, MS (1 shared paper), Juan Manuel Pascual, MD, PhD (1 shared paper) and Karthik Rajasekaran, MD (1 shared paper).
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