Physician Profile
Matthew Karr, DO
Unclaimed ProfileAbout Dr. Karr
Based in New York, NY, Matthew Karr, DO is listed in the NPI registry under student in an organized health care education program. Medicare claims data shows Matthew provided 406 services to 147 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (973) 224-9073
- Email not available
Practice Locations
1000 10TH AVE
New York, NY 10019
Procedures Most Often Billed to Medicare
406 services · 147 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
242 |
| Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t | Billing code | G0316 |
122 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
25 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other medical trainees at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Dr. Karr specialize in?
Dr. Karr is a medical trainee in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Student in an Organized Health Care Education Program”.
NPI registry
Where is Dr. Karr located?
Dr. Karr is listed at 1000 10TH AVE, New York, NY 10019. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Karr's phone number?
The number on file is (973) 224-9073. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Karr?
Dr. Karr's National Provider Identifier is 1912467481. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Dr. Karr have?
Dr. Karr has 7+ years experience. Registered with an NPI since 2019. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Karr do most often?
According to Medicare billing data, Dr. Karr the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Karr's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Karr. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.