Active NPI
Dean L Kolnick, M.D.
- Diagnostic Radiology Physician
- Washington, DC
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- MD600005405
- Practice address
- 2150 Pennsylvania Ave NW
Washington, DC 20037-3201 - Phone
- (202) 741-3000
- NPI assigned
- Sep 20, 2010
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | ME134112 | FL | |
| Diagnostic Radiology Physician | 2085R0202X | MD600005405 | DC | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Diagnostic Radiology Physician | 2085R0202X | 279645 | NY |
Addresses
Primary practice location
2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Mailing address
3811 Fairfax Dr Ste 300
Arlington, VA 22203-1707
Phone (202) 741-3560
Other practice location 1
100 Woods Road
Dept. of Radiology
Valhalla, NY 10595
Phone (914) 275-5977
Other practice location 2
9582 W Colonial Drive
Lee B Cecil, CPCS
Ocoee, FL 34761
Phone (407) 363-6700
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, CA, DC, MI, WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 5
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- Other, 2009
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Langlade Hospital - Hotel Dieu of St Joseph of Antigo WisconsinAspirus Medford Hospital and Clinics IncAspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.
Practice addresses (Care Compare)
100 Woods Rd
Valhalla, NY 10595-1530
112 E 5TH Ave
Antigo, WI 54409-2710
Phone (715) 623-2331
135 S Gibson St
Medford, WI 54451-1622
Phone (715) 748-8100
2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone (202) 741-2600
241 N Rd
Poughkeepsie, NY 12601-1154
Phone (845) 483-5000
2817 New Pinery Rd
Portage, WI 53901-9240
Phone (608) 742-4131
401 W Mohawk Dr
Suite 100
Tomahawk, WI 54487-2273
Phone (715) 361-2000
95 Grasslands Rd
Valhalla, NY 10595-1652
Phone (914) 493-6940
N10561 Grandview LN
Ironwood, MI 49938-9622
Phone (906) 932-2525
Hospital & facility affiliations
- Westchester Medical Center
- Aspirus Divine Savior Hospital
- Cedar Hill Regional Medical Center
- Garnet Health Medical Center
- Montefiore St Luke'S Cornwall
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD600005405 | DC | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Maimonides Faculty Practice Plan | Single Specialty | Current | Accepting new patients |
| Medical Faculty Associates, Inc | Single Specialty | Current | Accepting new patients |
| Maimonides Medical Center - MMC Radiology FPP | Single Specialty | Current | Accepting new patients |
| Westchester Medical Center Advanced Physician Services, PC | Single Specialty | Current | Accepting new patients |
| Westchester Medical Center Advanced Physician Services PC | Single Specialty | Current | Accepting new patients |
| Lima Memorial Joint Operating Company | Single Specialty | Past | Accepting new patients |
Locations
2150 Pennsylvania Ave NW
Washington, DC 20037
Phone (202) 741-2222
848 49th St
Brooklyn, NY 11220
Phone (718) 375-6000
4802 10th Ave
Brooklyn, NY 11219
Phone (718) 283-8724
6010 Bay Pkwy
Brooklyn, NY 11204
Phone (718) 238-2100
19 Bradhurst Ave
Ste 3100N
Hawthorne, NY 10532
Phone (914) 231-8373
95 Grasslands Rd
Valhalla, NY 10595
Phone (914) 493-2961
100 Woods Rd
Valhalla, NY 10595
Phone (914) 490-7000
3811 Fairfax Dr
Ste 300
Arlington, VA 22203
Networks
- Freedom Health HMO Network
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H1722
Organizations & group practices 22
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Anesthesiology Physician
- Washington, DC
- NPI 1417990581
Single Specialty
-
- Surgery Physician
- Valhalla, NY
- NPI 1912131392
Single Specialty
-
- Family Medicine Physician
- Ironwood, MI
- NPI 1992704753
-
- General Acute Care Hospital
- Portage, WI
- NPI 1124083894
-
- Internal Medicine Physician
- Brooklyn, NY
- NPI 1053344846
Single Specialty
-
- Diagnostic Radiology Physician
- Brooklyn, NY
- NPI 1811948284
Single Specialty
-
- Critical Access Hospital
- Eagle River, WI
- NPI 1346204385
-
- Critical Access Hospital
- Iron River, MI
- NPI 1497750830
-
- Critical Access Hospital
- Ironwood, MI
- NPI 1649297342
-
- Rural Health Clinic/Center
- Laurium, MI
- NPI 1205998713
-
- Critical Access Hospital
- Laurium, MI
- NPI 1326115569
-
- Rural Health Clinic/Center
- Gilman, WI
- NPI 1285703173
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Washington, DC
- NPI 1285492892
-
- General Acute Care Hospital
- Portage, WI
- NPI 1124083894
-
- General Acute Care Hospital
- Middletown, NY
- NPI 1609875772
-
- General Acute Care Hospital
- Newburgh, NY
- NPI 1003923434
-
- General Acute Care Hospital
- Valhalla, NY
- NPI 1932280666
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1284940800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771372800000",
"number": "1538477906",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3811 FAIRFAX DR STE 300",
"city": "ARLINGTON",
"state": "VA",
"postal_code": "222031707",
"telephone_number": "202-741-3560",
"fax_number": "202-741-3570"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2150 PENNSYLVANIA AVE NW",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "200373201",
"telephone_number": "202-741-3000"
}
],
"practiceLocations": [
{
"address_1": "100 Woods Road",
"address_2": "Dept. of Radiology",
"address_purpose": "LOCATION",
"city": "Valhalla",
"state": "NY",
"postal_code": "10595",
"country_code": "US",
"telephone_number": "914-275-5977",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "9582 W Colonial Drive",
"address_2": "Lee B Cecil, CPCS",
"address_purpose": "LOCATION",
"city": "Ocoee",
"state": "FL",
"postal_code": "34761",
"country_code": "US",
"telephone_number": "407-363-6700",
"fax_number": "407-865-6012",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "KOLNICK",
"first_name": "DEAN",
"middle_name": "L",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2010-09-20",
"last_updated": "2026-02-18",
"certification_date": "2026-02-18",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Radiology, Diagnostic Radiology",
"state": "FL",
"license": "ME134112",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "DC",
"license": "MD600005405",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "NY",
"license": "279645",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.