Dr. Gerald Gennaro Dimaso, MD
- Medicare services, 2024
- 4,412
- Medicare patients, 2024
- 727
- Part D claims, 2024
- 13,997
- MIPS score, 2024
- 96
- Hospital affiliations
- 3
- Practice address
- 213 Main St, Matawan, NJ 07747-3221
- Practice phone
- Call (732) 566-2363
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hmhmg Primary Care
Primary care practice · Matawan, New Jersey
Find Dr. Dimaso'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. Gerald Gennaro Dimaso is an internist in Matawan, New Jersey
Dr. Dimaso practices at Hmhmg Primary Care in Matawan, New Jersey.
Dr. Dimaso's NPI, 1477526531, was assigned on February 9, 2006. Dr. Dimaso holds New York license 170623.
- NPI
- 1477526531NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466621784
- NPI enumeration date
- February 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (732) 566-2363
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerald Gennaro Dimaso practices at Hmhmg Primary Care in Matawan, New Jersey
Dr. Dimaso's primary practice is Hmhmg Primary Care, at 213 Main St, Matawan, NJ 07747-3221. The practice phone is (732) 566-2363.
- Hmhmg Primary Care213 Main St, Matawan, NJ 07747-3221Phone(732) 566-2363
Source: Dmand AI Affiliation Data
Dr. Gerald Gennaro Dimaso is affiliated with 11 sites of care and 3 medical groups
Dr. Dimaso's primary practice is Hmhmg Primary Care in Matawan, New Jersey. Dr. Dimaso is also affiliated with Staten Island University Hospital. The medical group on file is Hackensack Meridian Medical Group. Dmand AI also links Dr. Dimaso to 2 more hospitals, 5 home health agencies, 2 group practices and clinics and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gerald Gennaro Dimaso's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dimaso practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hmhmg Primary Care | Available with a free account |
| +10 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerald Gennaro Dimaso is one of 4,226 internists in New Jersey
Internal medicine is Dr. Dimaso's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dimaso is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Dimaso
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. Gerald Gennaro Dimaso billed Medicare for 4,412 services in 2024
CMS data shows 4,412 Medicare services from Dr. Dimaso across 20 procedure codes in 2024, for 727 Medicare patients. Medicare paid $274,670 for them. Every service was in an office.
Dr. Dimaso's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 8962024: 1,920114%
- Office and hospital visits
- 2023: 1,8262024: 1,8531%
- Surgery
- 2023: 3712024: 4028%
- Tests and treatments
- 2023: 2182024: 2379%
Dr. Dimaso compared with the New Jersey median for internists, 2024
- Dr. Dimaso
- New Jersey median
- Medicare services
- 4,412vs 7236.1 times
- Medicare patients
- 727vs 2313.1 times
- Part D claims
- 13,074vs 83015.8 times
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Dimaso'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dimaso and other internists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerald Gennaro Dimaso treated 727 Medicare patients in 2024, average age 75
CMS counts 727 Medicare patients who saw Dr. Dimaso in 2024. The largest group is 65 to 74, with 331 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dimaso's median patient age at 65, with 44% women.
Dr. Dimaso's Medicare patients by age, 2024
Dr. Dimaso's Medicare patients by sex, 2024
- Women36150%
- Men36650%
Chronic conditions among Dr. Dimaso's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease33%
- Diabetes32%
- Anxiety23%
- Chronic kidney disease20%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dimaso's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women44%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerald Gennaro Dimaso wrote 13,997 Medicare Part D claims in 2024
In 2024, Dr. Dimaso wrote 13,997 Medicare Part D claims for 1,089 patients. 86% of them were for generic drugs. CMS names the drug for 13,074 of them, across 165 drugs with 11 or more claims each, at $1,481,407 in total drug cost. In 2023, CMS named 12,355 claims across 165 drugs.
Dr. Dimaso's Part D claims by kind of drug, 2024
- Generic12,019 claims86%
- Brand-name1,869 claims13%
- Other109 claims1%
Dr. Dimaso'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. Dimaso's Part D claims, 2024
- Opioids0%42 of 13,997 claims
- Antibiotics4%602 of 13,997 claims
- Antipsychotics, patients 65 and over0%29 of 13,997 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: 12,3552024: 13,0746%
Drugs named by CMS: 165 in 2024, 165 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. Gerald Gennaro Dimaso scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Dimaso for performance year 2024, reported through an alternative payment model (APM). Dr. Dimaso accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dimaso as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Dimaso's MIPS scores, performance year 2024
- 96of 100Final score
- 86.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gerald Gennaro Dimaso received $24,674 in industry payments from 2016 to 2025
CMS Open Payments shows 1,592 general payments to Dr. Dimaso from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $3,294.
General payments to Dr. Dimaso by program year, 2016 to 2025
General payments to Dr. Dimaso by kind, 2016 to 2025
- Food and beverage$24,35399%
- Education$1711%
- Consulting fees$1501%
Companies that paid Dr. Dimaso the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gerald Gennaro Dimaso'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Gerald Gennaro Dimaso
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. Gerald Gennaro Dimaso's NPI number?
Dr. Gerald Gennaro Dimaso's NPI number is 1477526531. It was assigned on February 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald Gennaro Dimaso?
Dr. Gerald Gennaro Dimaso is an internist in Matawan, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gerald Gennaro Dimaso practice?
Dr. Dimaso practices at 213 Main St, Matawan, NJ 07747-3221. Dr. Dimaso's primary practice is Hmhmg Primary Care in Matawan, New Jersey. Dmand AI also links Dr. Dimaso to 2 hospitals, 5 home health agencies, 2 group practices and clinics and 2 medical groups.
What is Dr. Gerald Gennaro Dimaso's office phone number?
The practice phone on file for Dr. Dimaso is (732) 566-2363.
What is Dr. Gerald Gennaro Dimaso's medical license number?
Dr. Dimaso holds New York license 170623.
Which hospitals is Dr. Gerald Gennaro Dimaso affiliated with?
Dr. Dimaso is affiliated with Staten Island University Hospital. Dmand AI links Dr. Dimaso to 2 more hospitals.
What medical group is Dr. Gerald Gennaro Dimaso part of?
Dr. Dimaso is linked to Hackensack Meridian Medical Group. Dmand AI links Dr. Dimaso to 2 more medical groups.
Does Dr. Gerald Gennaro Dimaso accept Medicare?
Yes. CMS data shows Dr. Dimaso billed Medicare for 4,412 services in 2024, and Dr. Dimaso accepts Medicare assignment.
Does Dr. Gerald Gennaro Dimaso offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dimaso as offering telehealth services.
What is Dr. Gerald Gennaro Dimaso's MIPS score?
Dr. Dimaso's MIPS final score for performance year 2024 is 96 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Gerald Gennaro Dimaso see?
CMS counts 727 Medicare patients who saw Dr. Dimaso in 2024, with an average age of 75.
What services does Dr. Gerald Gennaro Dimaso bill to Medicare?
In 2024, Dr. Dimaso's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
What drugs does Dr. Gerald Gennaro Dimaso prescribe most?
In 2024 Medicare Part D data, Dr. Dimaso's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Levothyroxine Sodium.
Has Dr. Gerald Gennaro Dimaso received payments from drug or device companies?
CMS Open Payments shows $24,674 in general payments to Dr. Dimaso from 46 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Gerald Gennaro Dimaso been practicing?
Dr. Dimaso graduated from medical school in 1986, 40 years ago.
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