Adipose Tissue, BrownAmino Acid SequenceDrosophila melanogaster
Dr. Robert A. Karr, MD
NPI1316002884PAC ID0840231924
- Medicare services, 2024
- 112
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 1,944
- Publications
- 1
- MIPS score, 2024
- 66
- Practice address
- 133 Old Road To 9 Acre Corner, West Concord, MA 01742
- Practice phone
- Call (978) 369-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Karr'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. Robert A. Karr is a forensic psychiatry physician in Concord, Massachusetts
Dr. Karr practices at Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System.
Dr. Karr's NPI, 1316002884, was assigned on December 26, 2006. Dr. Karr graduated from Temple University School of Medicine in 1989. Dr. Karr holds Massachusetts license 73911.
NPI and contact details
- NPI
- 1316002884NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840231924
- NPI enumeration date
- December 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (978) 369-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert A. Karr practices at Emerson Hospital in West Concord, Massachusetts
Dr. Karr's primary practice is Emerson Hospital, at 133 Old Road To 9 Acre Corner, West Concord, MA 01742 in Middlesex County. The practice phone is (978) 369-1400.
- Emerson Hospital133 Old Road To 9 Acre Corner, West Concord, MA 01742 · Middlesex CountyPhone(978) 369-1400
Source: Dmand AI Affiliation Data
Dr. Robert A. Karr is affiliated with 3 sites of care and 1 medical group
Dr. Karr's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. The medical group on file is Advocates. Dmand AI also links Dr. Karr to 1 more group practice or clinic and 1 therapy and rehab clinic, each named with a free account.
Advocates1 group practice or clinicName with a free account1 therapy and rehab clinicName with a free account
See all 4 affiliations for Dr. KarrSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert A. Karr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karr practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Emerson Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Karr practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Emerson Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert A. Karr is one of 5 forensic psychiatry physicians in Massachusetts
Forensic psychiatry is Dr. Karr's primary specialty in the NPI Registry, under taxonomy code 2084F0202X. Dr. Karr is licensed in Massachusetts.
Specialties and state licenses
- Forensic psychiatry, MassachusettsPrimary
Forensic psychiatry physicians near Dr. Karr
Counts of forensic psychiatry physicians with a Dmand AI profile, by place and practice. Each opens the list.
5forensic psychiatry physicians in Massachusetts
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert A. Karr billed Medicare for 112 services in 2024
CMS data shows 112 Medicare services from Dr. Karr across 1 procedure code in 2024, all of them office visits, for 31 Medicare patients. Medicare paid $8,714 for them. Every service was in an office.
Medicare services, 2024112
Medicare patients31
Paid by Medicare$8,714
Procedure codes1
Dr. Karr's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1042024: 1128%
Dr. Karr'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. Karr?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karr and other forensic psychiatry physicians in Massachusetts.
Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Robert A. Karr treated 31 Medicare patients in 2024, average age 58
CMS counts 31 Medicare patients who saw Dr. Karr in 2024. The largest group is under 65, with 17 patients. 75% of them have mood disorders, and 74% have anxiety. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Karr's median patient age at 48, with 58% women.
Medicare patients, 202431
Average age58
Average risk score1.32
Dr. Karr's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Karr's Medicare patients by sex, 2024
- Women1858%
- Men1342%
Chronic conditions among Dr. Karr's Medicare patients, 2024
- Mood disorders75%
- Anxiety74%
- Depression65%
- High cholesterol58%
- High blood pressure55%
- Bipolar disorder35%
- Schizophrenia and other psychoses35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert A. Karr wrote 1,944 Medicare Part D claims in 2024
In 2024, Dr. Karr wrote 1,944 Medicare Part D claims for 92 patients. 98% of them were for generic drugs. CMS names the drug for 1,858 of them, across 48 drugs with 11 or more claims each, at $98,380 in total drug cost. In 2023, CMS named 2,191 claims across 51 drugs.
Part D claims, 20241,944
Drugs named by CMS48
Total drug cost$98,380
Part D patients92
Dr. Karr's Part D claims by kind of drug, 2024
- Generic1,905 claims98%
- Brand-name39 claims2%
Dr. Karr'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. Karr's Part D claims, 2024
- Antipsychotics, patients 65 and over5%106 of 1,944 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: 2,1912024: 1,85815%
Drugs named by CMS: 48 in 2024, 51 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. Robert A. Karr scored 66 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 66 out of 100 for Dr. Karr for performance year 2024, reported as part of a group. Dr. Karr accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Karr as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Karr's MIPS scores, performance year 2024
- 66of 100Final score
- 68of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 81of 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
For MedTech and pharma teams
Find forensic psychiatry physicians like Dr. Karr by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Robert A. Karr has 1 publication on record
Dmand AI links 1 paper to Dr. Karr in 2013.
Papers1
Recent publications by Dr. Karr
See who Dr. Karr researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Karr works with, so you can find a warm path to the right forensic psychiatry physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert A. Karr graduated from Temple University School of Medicine
Dr. Karr graduated from Temple University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert A. Karr'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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Robert A. Karr
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. Robert A. Karr's NPI number?
Dr. Robert A. Karr's NPI number is 1316002884. It was assigned on December 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert A. Karr?
Dr. Robert A. Karr is a forensic psychiatry physician in Concord, Massachusetts. The primary specialty in the NPI Registry is Forensic Psychiatry Physician (taxonomy code 2084F0202X).
Where does Dr. Robert A. Karr practice?
Dr. Karr practices at 133 Old Road To 9 Acre Corner, West Concord, MA 01742. Dr. Karr's primary practice is Emerson Hospital in West Concord, Massachusetts, part of Emerson Health System. Dmand AI also links Dr. Karr to 1 group practice or clinic and 1 therapy and rehab clinic.
What is Dr. Robert A. Karr's office phone number?
The practice phone on file for Dr. Karr is (978) 369-1400.
What is Dr. Robert A. Karr's medical license number?
Dr. Karr holds Massachusetts license 73911.
Which hospitals is Dr. Robert A. Karr affiliated with?
Dr. Karr practices at Emerson Hospital in West Concord, Massachusetts.
What medical group is Dr. Robert A. Karr part of?
Dr. Karr is linked to Advocates.
Does Dr. Robert A. Karr accept Medicare?
Yes. CMS data shows Dr. Karr billed Medicare for 112 services in 2024, and Dr. Karr accepts Medicare assignment.
Does Dr. Robert A. Karr offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Karr as offering telehealth services.
What is Dr. Robert A. Karr's MIPS score?
Dr. Karr's MIPS final score for performance year 2024 is 66 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Robert A. Karr see?
CMS counts 31 Medicare patients who saw Dr. Karr in 2024, with an average age of 58.
What services does Dr. Robert A. Karr bill to Medicare?
In 2024, Dr. Karr's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Robert A. Karr go to medical school?
Dr. Karr graduated from Temple University School of Medicine in 1989.
What drugs does Dr. Robert A. Karr prescribe most?
In 2024 Medicare Part D data, Dr. Karr's most prescribed drugs by claims were Lorazepam, Clonazepam and Clozapine.
How long has Dr. Robert A. Karr been practicing?
Dr. Karr graduated from medical school in 1989, 37 years ago.
Does Dr. Robert A. Karr do research?
Dmand AI links 1 publication to Dr. Karr.
Selling to forensic psychiatry practices?
See forensic psychiatry physicians in Massachusetts 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