Garrett Michael Manthey, PA-C
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 32
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 435 Lewis Avenue, Meriden, CT 06450
- Practice phone
- Call (203) 694-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Garrett Manthey'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.
Garrett Michael Manthey is a physician assistant in Meriden, Connecticut
Garrett Manthey practices at MidState Medical Center in Meriden, Connecticut, part of Hartford HealthCare.
Garrett Manthey's NPI, 1588074884, was assigned on May 7, 2014. Garrett Manthey holds Connecticut license 004812.
- NPI
- 1588074884NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658591839
- NPI enumeration date
- May 7, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 694-8200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Garrett Michael Manthey practices at MidState Medical Center in Meriden, Connecticut
Garrett Manthey's primary practice is MidState Medical Center, at 435 Lewis Avenue, Meriden, CT 06450 in New Haven County. The practice phone is (203) 694-8200.
- MidState Medical Center435 Lewis Avenue, Meriden, CT 06450 · New Haven CountyPhone(203) 694-8200
Source: Dmand AI Affiliation Data
Garrett Michael Manthey is affiliated with 1 site of care and 1 medical group
Garrett Manthey's primary practice is MidState Medical Center in Meriden, Connecticut, part of Hartford HealthCare. The medical group on file is MidState Medical Center. Garrett Manthey's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Garrett Michael Manthey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Garrett Manthey practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MidState Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Garrett Michael Manthey is one of 1,682 physician assistants in Connecticut
Physician assistant is Garrett Manthey's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Dmand AI has Garrett Manthey's licenses on file in 2 states: Connecticut and California.
Specialties and state licenses
- Physician assistant, ConnecticutPrimary
- California license
Physician assistants near Garrett Manthey
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
Garrett Michael Manthey treated 22 Medicare patients in 2024, average age 75
CMS counts 22 Medicare patients who saw Garrett Manthey in 2024. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Garrett Manthey's median patient age at 69, with 52% women.
Chronic conditions among Garrett Manthey's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Garrett Manthey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women52%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Garrett Michael Manthey wrote 32 Medicare Part D claims in 2024
In 2024, Garrett Manthey wrote 32 Medicare Part D claims for 27 patients. 91% of them were for generic drugs.
Garrett Manthey's Part D claims by kind of drug, 2024
- Generic29 claims91%
- Brand-name and other3 claims9%
Drug classes CMS tracks in Garrett Manthey's Part D claims, 2024
- Opioids66%21 of 32 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
Garrett Michael Manthey scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Garrett Manthey for performance year 2024, reported as part of a group. Garrett Manthey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Garrett Manthey's MIPS scores, performance year 2024
- 97of 100Final score
- 87.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
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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Sources for Garrett Michael Manthey'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 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) |
| 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 Garrett Michael Manthey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Garrett Michael Manthey's NPI number?
Garrett Michael Manthey's NPI number is 1588074884. It was assigned on May 7, 2014, and it is active in the NPI Registry.
What does Garrett Michael Manthey specialize in?
Garrett Michael Manthey is a physician assistant in Meriden, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Garrett Michael Manthey practice?
Garrett Manthey practices at 435 Lewis Avenue, Meriden, CT 06450. Garrett Manthey's primary practice is MidState Medical Center in Meriden, Connecticut, part of Hartford HealthCare.
What is Garrett Michael Manthey's office phone number?
The practice phone on file for Garrett Manthey is (203) 694-8200.
What is Garrett Michael Manthey's medical license number?
Garrett Manthey holds Connecticut license 004812, one of the licenses on file in 2 states.
Which states has Garrett Michael Manthey been licensed in?
Dmand AI has state licenses on file for Garrett Manthey in Connecticut and California.
Which hospitals is Garrett Michael Manthey affiliated with?
Garrett Manthey practices at MidState Medical Center in Meriden, Connecticut.
What medical group is Garrett Michael Manthey part of?
Garrett Manthey is linked to MidState Medical Center.
Does Garrett Michael Manthey accept Medicare?
Yes. CMS lists Garrett Manthey as accepting Medicare assignment.
What is Garrett Michael Manthey's MIPS score?
Garrett Manthey's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Garrett Michael Manthey see?
CMS counts 22 Medicare patients who saw Garrett Manthey in 2024, with an average age of 75.
How long has Garrett Michael Manthey been practicing?
Garrett Manthey graduated from medical school in 2013, 13 years ago.
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