Dr. Kenneth Michael Marcus, MD
- Part D claims, 2024
- 162
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 500 E Main St, Branford, CT 06405
- Practice phone
- Call (203) 315-7727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Physical Therapy Services of Guilford LLC
Branford, Connecticut
Find Dr. Marcus' 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. Kenneth Michael Marcus is a psychiatrist in Branford, Connecticut
Dr. Marcus practices at Physical Therapy Services of Guilford LLC in Branford, Connecticut.
Dr. Marcus' NPI, 1639226566, was assigned on January 4, 2007. Dr. Marcus holds Connecticut license 021420.
- NPI
- 1639226566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183898091
- NPI enumeration date
- January 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 315-7727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenneth Michael Marcus practices at Physical Therapy Services of Guilford LLC in Branford, Connecticut
Dr. Marcus' primary practice is Physical Therapy Services of Guilford LLC, at 500 E Main St, Branford, CT 06405 in South Central Ct County. The practice phone is (203) 315-7727.
- Physical Therapy Services of Guilford LLC500 E Main St, Branford, CT 06405 · South Central Ct CountyPhone(203) 315-7727
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kenneth Michael Marcus is affiliated with 2 sites of care and 1 medical group
Dr. Marcus' primary practice is Physical Therapy Services of Guilford LLC in Branford, Connecticut. Dmand AI also links Dr. Marcus to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kenneth Michael Marcus' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marcus practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Physical Therapy Services of Guilford LLC | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kenneth Michael Marcus is one of 828 psychiatrists in Connecticut
Psychiatry is Dr. Marcus' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Marcus is licensed in Connecticut.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
Psychiatrists near Dr. Marcus
Counts of psychiatrists 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. Kenneth Michael Marcus wrote 162 Medicare Part D claims in 2024
In 2024, Dr. Marcus wrote 162 Medicare Part D claims. 91% of them were for generic drugs. CMS names the drug for 105 of them, across 6 drugs with 11 or more claims each, at $7,471 in total drug cost. In 2023, CMS named 107 claims across 4 drugs.
Dr. Marcus' Part D claims by kind of drug, 2024
- Generic147 claims91%
- Brand-name15 claims9%
Dr. Marcus' 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. Marcus' Part D claims, 2024
- Antipsychotics, patients 65 and over20%32 of 162 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: 1072024: 1052%
Drugs named by CMS: 6 in 2024, 4 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
How Dr. Kenneth Michael Marcus takes part in Medicare
Dr. Marcus 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Kenneth Michael Marcus'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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) |
| 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. Kenneth Michael Marcus
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. Kenneth Michael Marcus' NPI number?
Dr. Kenneth Michael Marcus' NPI number is 1639226566. It was assigned on January 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth Michael Marcus?
Dr. Kenneth Michael Marcus is a psychiatrist in Branford, Connecticut. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Kenneth Michael Marcus practice?
Dr. Marcus practices at 500 E Main St, Branford, CT 06405. Dr. Marcus' primary practice is Physical Therapy Services of Guilford LLC in Branford, Connecticut. Dmand AI also links Dr. Marcus to 1 group practice or clinic and 1 medical group.
What is Dr. Kenneth Michael Marcus' office phone number?
The practice phone on file for Dr. Marcus is (203) 315-7727.
What is Dr. Kenneth Michael Marcus' medical license number?
Dr. Marcus holds Connecticut license 021420.
Does Dr. Kenneth Michael Marcus accept Medicare?
Yes. CMS lists Dr. Marcus as accepting Medicare assignment.
What drugs does Dr. Kenneth Michael Marcus prescribe most?
In 2024 Medicare Part D data, Dr. Marcus' most prescribed drugs by claims were Clonazepam, Olanzapine and Fluvoxamine Maleate.
How long has Dr. Kenneth Michael Marcus been practicing?
Dr. Marcus' NPI was assigned in 2007.
Selling to psychiatry practices?
See psychiatrists in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card