Brittany Giammalvo, RPAC
- Medicare patients, 2024
- 290
- Part D claims, 2024
- 771
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $128
- Practice address
- 455 Boston Post Rd Suite 10 Suite 10, Old Saybrook, CT 06475-1554
- Practice phone
- Call (860) 388-9799
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Saybrook Dermatology
Dermatology practice · Old Saybrook, Connecticut
Find Brittany Giammalvo'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.
Brittany Giammalvo is a physician assistant in Old Saybrook, Connecticut
Brittany Giammalvo practices at Saybrook Dermatology in Old Saybrook, Connecticut.
Brittany Giammalvo's NPI, 1033426200, was assigned on September 8, 2010. Brittany Giammalvo holds Connecticut license 4808.
- NPI
- 1033426200NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476974361
- NPI enumeration date
- September 8, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 388-9799
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Brittany Giammalvo practices at Saybrook Dermatology in Old Saybrook, Connecticut
Brittany Giammalvo's primary practice is Saybrook Dermatology, at 455 Boston Post Rd Suite 10 Suite 10, Old Saybrook, CT 06475-1554. The practice phone is (860) 388-9799.
- Saybrook Dermatology455 Boston Post Rd Suite 10 Suite 10, Old Saybrook, CT 06475-1554Phone(860) 388-9799
Source: Dmand AI Affiliation Data
Brittany Giammalvo is affiliated with 2 sites of care and 1 medical group
Brittany Giammalvo's primary practice is Saybrook Dermatology in Old Saybrook, Connecticut. Brittany Giammalvo is also affiliated with Middlesex Hospital. The medical group on file is Saybrook Dermatology.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Brittany Giammalvo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Brittany Giammalvo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saybrook Dermatology | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Brittany Giammalvo is one of 1,682 physician assistants in Connecticut
Physician assistant is Brittany Giammalvo's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Brittany Giammalvo is licensed in Connecticut.
Specialties and state licenses
- Physician assistant, ConnecticutPrimary
Physician assistants near Brittany Giammalvo
Counts of physician assistants 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
Brittany Giammalvo treated 290 Medicare patients in 2024, average age 75
CMS counts 290 Medicare patients who saw Brittany Giammalvo in 2024. The largest group is 75 to 84, with 124 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 11% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Brittany Giammalvo's median patient age at 68, with 61% women.
Brittany Giammalvo's Medicare patients by age, 2024
Brittany Giammalvo's Medicare patients by sex, 2024
- Women17861%
- Men11239%
Chronic conditions among Brittany Giammalvo's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis43%
- Anxiety27%
- Mood disorders23%
- Ischemic heart disease21%
- Atrial fibrillation19%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Brittany Giammalvo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Brittany Giammalvo wrote 771 Medicare Part D claims in 2024
In 2024, Brittany Giammalvo wrote 771 Medicare Part D claims for 338 patients. 85% of them were for generic drugs.
Brittany Giammalvo's Part D claims by kind of drug, 2024
- Generic658 claims85%
- Brand-name113 claims15%
Drug classes CMS tracks in Brittany Giammalvo's Part D claims, 2024
- Antibiotics4%30 of 771 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Brittany Giammalvo scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Brittany Giammalvo for performance year 2024, reported as part of a group. Brittany Giammalvo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Brittany Giammalvo's MIPS scores, performance year 2024
- 100of 100Final score
- 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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Brittany Giammalvo received $128 in industry payments in 2025
CMS Open Payments shows 4 general payments to Brittany Giammalvo from 1 drug or device company in 2025. Education make up the largest share, 78% of the total. Janssen Pharmaceuticals, Inc paid the most, $128.
General payments to Brittany Giammalvo by kind, 2025 to 2025
- Education$9978%
- Food and beverage$2922%
Companies that paid Brittany Giammalvo the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Brittany Giammalvo'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 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 (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 Brittany Giammalvo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Brittany Giammalvo's NPI number?
Brittany Giammalvo's NPI number is 1033426200. It was assigned on September 8, 2010, and it is active in the NPI Registry.
What does Brittany Giammalvo specialize in?
Brittany Giammalvo is a physician assistant in Old Saybrook, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Brittany Giammalvo practice?
Brittany Giammalvo practices at 455 Boston Post Rd Suite 10 Suite 10, Old Saybrook, CT 06475-1554. Brittany Giammalvo's primary practice is Saybrook Dermatology in Old Saybrook, Connecticut.
What is Brittany Giammalvo's office phone number?
The practice phone on file for Brittany Giammalvo is (860) 388-9799.
What is Brittany Giammalvo's medical license number?
Brittany Giammalvo holds Connecticut license 4808.
Which hospitals is Brittany Giammalvo affiliated with?
Brittany Giammalvo is affiliated with Middlesex Hospital.
What medical group is Brittany Giammalvo part of?
Brittany Giammalvo is linked to Saybrook Dermatology.
Does Brittany Giammalvo accept Medicare?
Yes. CMS lists Brittany Giammalvo as accepting Medicare assignment.
What is Brittany Giammalvo's MIPS score?
Brittany Giammalvo's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Brittany Giammalvo see?
CMS counts 290 Medicare patients who saw Brittany Giammalvo in 2024, with an average age of 75.
Has Brittany Giammalvo received payments from drug or device companies?
CMS Open Payments shows $128 in general payments to Brittany Giammalvo from 1 company from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Brittany Giammalvo been practicing?
Brittany Giammalvo graduated from medical school in 2010, 16 years ago.
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