Robert Karr, M.D.
NPI 1316002884 · Forensic Psychiatry Physician · Tewksbury, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Karr, M.D. is a Forensic Psychiatry Physician provider in Tewksbury, MA (NPI 1316002884).
Provider details
- NPI number
- 1316002884
- Entity type
- Individual
- Primary specialty
- Forensic Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 73911 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
112 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 112 | $112 |
Typical Medicare-allowed amounts for these services range $112–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lorazepam | 139 | 17 |
| Clonazepam | 120 | 17 |
| Clozapine | 111 | — |
| Quetiapine Fumarate | 86 | 13 |
| Fluoxetine Hcl | 83 | — |
| Gabapentin | 81 | 12 |
| Mirtazapine | 65 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Karr's NPI number?
- Robert Karr's National Provider Identifier (NPI) is 1316002884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Karr's specialty?
- Robert Karr is listed in the NPPES registry with a primary specialty of Forensic Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Karr located?
- Robert Karr's practice location on file with NPPES is North East Area Office, Tewksbury, MA 01876.
- What is Robert Karr's phone number?
- The practice phone number listed in the NPPES registry for Robert Karr is (978) 863-5054.
- Does Robert Karr accept Medicare?
- Robert Karr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Karr's NPI active?
- Yes — Robert Karr's NPI (1316002884) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.