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Dr. Justus J. Guerrieri, MD
NPI1386900975PAC ID7012157480
- Medicare services, 2024
- 152
- Medicare patients, 2024
- 147
- Part D claims, 2024
- 104
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 40 Wright Street, Palmer, MA 01069
- Practice phone
- Call (413) 283-7651
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Guerrieri'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.
Dr. Justus J. Guerrieri is an emergency medicine physician in Palmer, Massachusetts
Dr. Guerrieri practices at Baystate Wing Hospital in Palmer, Massachusetts, part of Baystate Health.
Dr. Guerrieri's NPI, 1386900975, was assigned on April 8, 2012. Dr. Guerrieri graduated from Temple University School of Medicine in 2012. Dr. Guerrieri holds Massachusetts license 263111.
NPI and contact details
- NPI
- 1386900975NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012157480
- NPI enumeration date
- April 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 283-7651
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justus J. Guerrieri practices at Baystate Wing Hospital in Palmer, Massachusetts
Dr. Guerrieri's primary practice is Baystate Wing Hospital, at 40 Wright Street, Palmer, MA 01069 in Hampden County. The practice phone is (413) 283-7651.
- Baystate Wing Hospital40 Wright Street, Palmer, MA 01069 · Hampden CountyPhone(413) 283-7651
Source: Dmand AI Affiliation Data
Dr. Justus J. Guerrieri is affiliated with 5 sites of care and 4 medical groups
Dr. Guerrieri's primary practice is Baystate Wing Hospital in Palmer, Massachusetts, part of Baystate Health. Dr. Guerrieri is also affiliated with Baystate Medical Center. The medical group on file is Baystate Medical Practices. Dmand AI also links Dr. Guerrieri to 2 more hospitals, 3 medical groups and 1 hospital outpatient department, each named with a free account.
Baystate Medical CenterBaystate Medical Practices2 hospitalsNames with a free account3 medical groupsNames with a free account1 hospital outpatient departmentName with a free account
See all 9 affiliations for Dr. GuerrieriSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Justus J. Guerrieri's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guerrieri practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Wing Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Justus J. Guerrieri is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Guerrieri's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Guerrieri is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Guerrieri
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,483emergency medicine physicians in Massachusetts16emergency medicine physicians in Palmer15emergency medicine physicians at Baystate Wing Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Justus J. Guerrieri billed Medicare for 152 services in 2024
CMS data shows 152 Medicare services from Dr. Guerrieri across 4 procedure codes in 2024, for 147 Medicare patients. Medicare paid $18,461 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024152
Medicare patients147
Paid by Medicare$18,461
Procedure codes4
Dr. Guerrieri's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2232024: 15232%
Dr. Guerrieri compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Guerrieri
- Massachusetts median
- Medicare services
- 152vs 34155% below
- Medicare patients
- 147vs 33756% below
- Part D claims
- 142vs 363.9 times
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Guerrieri'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.
Need commercial claims for Dr. Guerrieri?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guerrieri and other emergency medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justus J. Guerrieri treated 147 Medicare patients in 2024, average age 73
CMS counts 147 Medicare patients who saw Dr. Guerrieri in 2024. The largest group is 75 to 84, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 1.99, 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. Guerrieri's median patient age at 64, with 57% women.
Medicare patients, 2024147
Average age73
Average risk score1.99
Also on Medicaid39%
Dr. Guerrieri's Medicare patients by age, 2024
Dr. Guerrieri's Medicare patients by sex, 2024
- Women7148%
- Men7652%
Chronic conditions among Dr. Guerrieri's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety54%
- Arthritis48%
- Mood disorders46%
- Ischemic heart disease44%
- Chronic kidney disease41%
- Depression41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guerrieri's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justus J. Guerrieri wrote 104 Medicare Part D claims in 2024
In 2024, Dr. Guerrieri wrote 104 Medicare Part D claims for 65 patients. 85% of them were for generic drugs. They cover 7 drugs, with $816 in total drug cost. In 2022, CMS named 67 claims across 4 drugs.
Part D claims, 2024104
Drugs named by CMS7
Total drug cost$816
Part D patients65
Dr. Guerrieri's Part D claims by kind of drug, 2024
- Generic88 claims85%
- Brand-name16 claims15%
Dr. Guerrieri's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Guerrieri's Part D claims, 2024
- Antibiotics25%26 of 104 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 672023: 142112%
Drugs named by CMS: 7 in 2023, 4 in 2022.
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 Dr. Justus J. Guerrieri takes part in Medicare
Dr. Guerrieri accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Justus J. Guerrieri has 1 publication on record
Dmand AI links 1 paper to Dr. Guerrieri. Dr. Guerrieri's most frequent co-author is Lindsay M. Dittman.
Papers1
Dr. Guerrieri's most frequent co-authors
Recent publications by Dr. Guerrieri
See who Dr. Guerrieri researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Guerrieri works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Justus J. Guerrieri received $39 in industry payments from 2020 to 2024
CMS Open Payments shows 2 general payments to Dr. Guerrieri from 1 drug or device company from 2020 to 2024. Education make up the largest share, 51% of the total. CSL Behring paid the most, $39.
General payments to Dr. Guerrieri by program year, 2020 to 2024
General payments to Dr. Guerrieri by kind, 2020 to 2024
$39in total
- Education$2051%
- Food and beverage$1949%
Companies that paid Dr. Guerrieri the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Justus J. Guerrieri graduated from Temple University School of Medicine
Dr. Guerrieri graduated from Temple University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Justus J. Guerrieri'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Justus J. Guerrieri
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. Justus J. Guerrieri's NPI number?
Dr. Justus J. Guerrieri's NPI number is 1386900975. It was assigned on April 8, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Justus J. Guerrieri?
Dr. Justus J. Guerrieri is an emergency medicine physician in Palmer, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Justus J. Guerrieri practice?
Dr. Guerrieri practices at 40 Wright Street, Palmer, MA 01069. Dr. Guerrieri's primary practice is Baystate Wing Hospital in Palmer, Massachusetts, part of Baystate Health. Dmand AI also links Dr. Guerrieri to 2 hospitals, 3 medical groups and 1 hospital outpatient department.
What is Dr. Justus J. Guerrieri's office phone number?
The practice phone on file for Dr. Guerrieri is (413) 283-7651.
What is Dr. Justus J. Guerrieri's medical license number?
Dr. Guerrieri holds Massachusetts license 263111.
Which hospitals is Dr. Justus J. Guerrieri affiliated with?
Dr. Guerrieri practices at Baystate Wing Hospital in Palmer, Massachusetts. Dr. Guerrieri is also affiliated with Baystate Medical Center. Dmand AI links Dr. Guerrieri to 2 more hospitals.
What medical group is Dr. Justus J. Guerrieri part of?
Dr. Guerrieri is linked to Baystate Medical Practices. Dmand AI links Dr. Guerrieri to 3 more medical groups.
Does Dr. Justus J. Guerrieri accept Medicare?
Yes. CMS data shows Dr. Guerrieri billed Medicare for 152 services in 2024, and Dr. Guerrieri accepts Medicare assignment.
How many Medicare patients does Dr. Justus J. Guerrieri see?
CMS counts 147 Medicare patients who saw Dr. Guerrieri in 2024, with an average age of 73.
What services does Dr. Justus J. Guerrieri bill to Medicare?
In 2024, Dr. Guerrieri's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Show 6 more questionsShow fewer questions
Where did Dr. Justus J. Guerrieri go to medical school?
Dr. Guerrieri graduated from Temple University School of Medicine in 2012.
What drugs does Dr. Justus J. Guerrieri prescribe most?
In 2023 Medicare Part D data, Dr. Guerrieri's most prescribed drugs by claims were Cyclobenzaprine HCl, Gabapentin and Naproxen.
Has Dr. Justus J. Guerrieri received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Dr. Guerrieri from 1 company from 2020 to 2024. The largest total came from CSL Behring.
How long has Dr. Justus J. Guerrieri been practicing?
Dr. Guerrieri graduated from medical school in 2012, 14 years ago.
Does Dr. Justus J. Guerrieri do research?
Dmand AI links 1 publication to Dr. Guerrieri.
Who does Dr. Justus J. Guerrieri publish with?
Dr. Guerrieri's most frequent co-authors are Lindsay M. Dittman (1 shared paper).
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