Dr. Eric Victor Granowitz, MD
- Medicare services, 2024
- 644
- Medicare patients, 2024
- 251
- Part D claims, 2024
- 371
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 30 Locust Street, Northampton, MA 01060
- Practice phone
- Call (413) 582-2151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cooley Dickinson Hospital - Behavioral Health
Psychiatric Inpatient Facility · Northampton, Massachusetts
Find Dr. Granowitz'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. Eric Victor Granowitz is an infectious disease specialist in Northampton, Massachusetts
Dr. Granowitz practices at Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts.
Dr. Granowitz's NPI, 1801855242, was assigned on March 23, 2006. Dr. Granowitz graduated from Columbia University College of Physicians and Surgeons in 1985. Dr. Granowitz holds Massachusetts license 71462.
- NPI
- 1801855242NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224070404
- NPI enumeration date
- March 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (413) 582-2151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Victor Granowitz practices at Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts
Dr. Granowitz's primary practice is Cooley Dickinson Hospital - Behavioral Health, at 30 Locust Street, Northampton, MA 01060. The practice phone is (413) 582-2151.
- Cooley Dickinson Hospital - Behavioral Health30 Locust Street, Northampton, MA 01060Phone(413) 582-2151
Source: Dmand AI Affiliation Data
Dr. Eric Victor Granowitz is affiliated with 6 sites of care and 1 medical group
Dr. Granowitz's primary practice is Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts. Dr. Granowitz is also affiliated with Cooley Dickinson Hospital. The medical group on file is Mass General Brigham Medical Group Western Massachusetts. Dmand AI also links Dr. Granowitz to 1 more group practice or clinic, 1 home health agency, 1 hospice and 1 imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Victor Granowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Granowitz practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cooley Dickinson Hospital - Behavioral Health | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Victor Granowitz is one of 395 infectious disease specialists in Massachusetts
Infectious disease is Dr. Granowitz's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Granowitz is licensed in Massachusetts.
Specialties and state licenses
- Infectious disease, MassachusettsPrimary
Infectious disease specialists near Dr. Granowitz
Counts of infectious disease specialists 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. Eric Victor Granowitz billed Medicare for 644 services in 2024
CMS data shows 644 Medicare services from Dr. Granowitz across 12 procedure codes in 2024, for 251 Medicare patients. Medicare paid $48,863 for them.
Dr. Granowitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5582024: 5967%
- Other services
- 2023: 562024: 4814%
Where Dr. Granowitz's Medicare services took place, 2024
- In an office11518%
- In a facility52982%
Dr. Granowitz compared with the Massachusetts median for infectious disease specialists, 2024
- Dr. Granowitz
- Massachusetts median
- Medicare services
- 644vs 1634.0 times
- Medicare patients
- 251vs 942.7 times
- Part D claims
- 314vs 1082.9 times
Medians across 363 infectious disease specialists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Granowitz'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. Granowitz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Granowitz and other infectious disease specialists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Victor Granowitz treated 251 Medicare patients in 2024, average age 75
CMS counts 251 Medicare patients who saw Dr. Granowitz in 2024. The largest group is 65 to 74, with 96 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.02, 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. Granowitz's median patient age at 67, with 36% women.
Dr. Granowitz's Medicare patients by age, 2024
Dr. Granowitz's Medicare patients by sex, 2024
- Women12148%
- Men13052%
Chronic conditions among Dr. Granowitz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis53%
- Mood disorders47%
- Chronic kidney disease43%
- Atrial fibrillation39%
- Depression39%
- Anxiety35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Granowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Victor Granowitz wrote 371 Medicare Part D claims in 2024
In 2024, Dr. Granowitz wrote 371 Medicare Part D claims for 39 patients. 51% of them were for generic drugs. CMS names the drug for 314 of them, across 15 drugs with 11 or more claims each, at $702,258 in total drug cost. In 2023, CMS named 283 claims across 14 drugs.
Dr. Granowitz's Part D claims by kind of drug, 2024
- Generic188 claims51%
- Brand-name183 claims49%
Dr. Granowitz's most prescribed drugs by claims, 2024
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. Granowitz's Part D claims, 2024
- Antibiotics22%82 of 371 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2832024: 31411%
Drugs named by CMS: 15 in 2024, 14 in 2023.
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
Dr. Eric Victor Granowitz offers telehealth to Medicare patients
Dr. Granowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Granowitz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Eric Victor Granowitz has 1 publication on record
Dmand AI links 1 paper to Dr. Granowitz in 2013.
Recent publications by Dr. Granowitz
See who Dr. Granowitz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Granowitz works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eric Victor Granowitz received $20 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Granowitz from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $20.
Companies that paid Dr. Granowitz the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Victor Granowitz graduated from Columbia University College of Physicians and Surgeons
Dr. Granowitz graduated from Columbia University College of Physicians and Surgeons in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric Victor Granowitz'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. Eric Victor Granowitz
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. Eric Victor Granowitz's NPI number?
Dr. Eric Victor Granowitz's NPI number is 1801855242. It was assigned on March 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Victor Granowitz?
Dr. Eric Victor Granowitz is an infectious disease specialist in Northampton, Massachusetts. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Eric Victor Granowitz practice?
Dr. Granowitz practices at 30 Locust Street, Northampton, MA 01060. Dr. Granowitz's primary practice is Cooley Dickinson Hospital - Behavioral Health in Northampton, Massachusetts. Dmand AI also links Dr. Granowitz to 1 group practice or clinic, 1 home health agency, 1 hospice and 1 imaging center.
What is Dr. Eric Victor Granowitz's office phone number?
The practice phone on file for Dr. Granowitz is (413) 582-2151.
What is Dr. Eric Victor Granowitz's medical license number?
Dr. Granowitz holds Massachusetts license 71462.
Which hospitals is Dr. Eric Victor Granowitz affiliated with?
Dr. Granowitz is affiliated with Cooley Dickinson Hospital.
What medical group is Dr. Eric Victor Granowitz part of?
Dr. Granowitz is linked to Mass General Brigham Medical Group Western Massachusetts.
Does Dr. Eric Victor Granowitz accept Medicare?
Yes. CMS data shows Dr. Granowitz billed Medicare for 644 services in 2024, and Dr. Granowitz accepts Medicare assignment.
Does Dr. Eric Victor Granowitz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Granowitz as offering telehealth services.
How many Medicare patients does Dr. Eric Victor Granowitz see?
CMS counts 251 Medicare patients who saw Dr. Granowitz in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
What services does Dr. Eric Victor Granowitz bill to Medicare?
In 2024, Dr. Granowitz's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99222).
Where did Dr. Eric Victor Granowitz go to medical school?
Dr. Granowitz graduated from Columbia University College of Physicians and Surgeons in 1985.
What drugs does Dr. Eric Victor Granowitz prescribe most?
In 2024 Medicare Part D data, Dr. Granowitz's most prescribed drugs by claims were Biktarvy, Odefsey and Darunavir.
Has Dr. Eric Victor Granowitz received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Granowitz from 1 company from 2016 to 2016. The largest total came from Gilead Sciences, Inc.
How long has Dr. Eric Victor Granowitz been practicing?
Dr. Granowitz graduated from medical school in 1985, 41 years ago.
Does Dr. Eric Victor Granowitz do research?
Dmand AI links 1 publication to Dr. Granowitz.
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