Individual provider Active NPI

Carlos Collin, MD

  • Psychiatry Physician
  • Rockville, MD
National Provider Identifier
1609850171
Registry record updated Apr 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
D0058156 Issued in MD
Practice address
14901 Broschart Rd
Rockville, MD 20850-3318
Phone
(703) 698-5220
Fax
(703) 573-2351
NPI assigned
Nov 30, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 1609850171 IL
Psychiatry Physician 2084P0800X D0058156 MD Primary

Addresses

Primary practice location

14901 Broschart Rd
Rockville, MD 20850-3318

Mailing address

8500 Executive Park Ave
Suite 200
Fairfax, VA 22031-2225
Phone (703) 698-5220

Other identifiers 5

IdentifierTypeStateIssuer
3137599OtherMAMSI
407682600MedicaidMD
710036OtherNCPPO
7874811OtherAETNA
0082OtherDCCAREFIRST

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA, IL, WI, MA, WA, NH, AL, NE, NC, AZ, CO, LA, SC, MI, CA, FL, PA, VT, IA, CT, NJ, MO, MD, AR, TN26 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 26

Enrollment IDStateProvider typePAC IDDetails
I20050623000572 DC Practitioner - Psychiatry 2365487923 Reassigns benefits to 2 organizations
I20151020000653 VA Practitioner - Psychiatry 2365487923 Reassigns benefits to 2 organizations
I20210309000244 IL Practitioner - Psychiatry 2365487923 Reassigns benefits to 6 organizations
I20210309000362 WI Practitioner - Psychiatry 2365487923 Reassigns benefits to 3 organizations
I20240411000224 MA Practitioner - Psychiatry 2365487923 Reassigns benefits to 2 organizations
I20250206002311 WA Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250217000651 NH Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250218003841 AL Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250219001634 NE Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250221000065 NC Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250225002427 AZ Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250304002715 CO Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250304002930 LA Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250305002974 SC Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250306002832 MI Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250318000703 CA Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250508002808 FL Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250519000436 PA Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250528000523 VT Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250603002829 IA Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250610003327 CT Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250618003691 NJ Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization
I20250815000364 MO Practitioner - PsychiatryPractitioner - Neurology 2365487923 Reassigns benefits to 1 organization
I20250818002760 MD Practitioner - PsychiatryPractitioner - Neurology 2365487923 Reassigns benefits to 1 organization
I20251001004441 AR Practitioner - PsychiatryPractitioner - Neurology 2365487923 Reassigns benefits to 1 organization
I20260202000359 TN Practitioner - Psychiatry 2365487923 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 1980
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Access Telecare PLLCGroup PAC ID 7810204831, 409 clinicians
Access Telecare California PCGroup PAC ID 8325373525, 86 clinicians
Rockford Health PhysiciansGroup PAC ID 2567374036, 520 clinicians

Practice addresses (Care Compare)

MC Lean, VA 22101
Phone (972) 449-0450

Richlands, VA 24641
Phone (972) 449-0540

Indian Land, SC 29707
Phone (972) 449-0540

Mountain BRK, AL 35223
Phone (972) 449-0540

San Mateo, CA 94402
Phone (972) 449-0540

1 Hospital Dr
Lewisburg, PA 17837-9350
Phone (972) 449-0540

1 Saint Francis Dr
Greenville, SC 29601-3955
Phone (972) 449-0540

1000 36TH St
Vero Beach, FL 32960-4862
Phone (972) 449-0540

1001 Penn Ave
Ottumwa, IA 52501-6427
Phone (972) 449-0540

1026 A Ave NE
Unitypoint St Lukes Hospital
Cedar Rapids, IA 52402-5036
Phone (972) 449-0540

1150 M Indian Canyon Dr
Palm Springs, CA 92262-4872
Phone (972) 449-0540

1200 Pleasant St
Des Moines, IA 50309-1406
Phone (972) 449-0540

13314 Sunny Brooke PL
Potomac, MD 20854-6392
Phone (972) 449-0540

13855 E 14TH St
San Leandro, CA 94578-2611
Phone (972) 449-0540

1395 S Pinellas Ave
Tarpon Springs, FL 34689-3790
Phone (972) 449-0540

1600 SW Archer Rd
Gainesville, FL 32610-3003
Phone (972) 449-0540

1705 Tarboro St SW
Wilson, NC 27893-3428
Phone (972) 449-0540

1825 Logan Ave
Waterloo, IA 50703-1916
Phone (972) 449-0540

20 Damon Rd
Falmouth, MA 02540-1611
Phone (972) 449-0540

20 York St
New Haven, CT 06510-3220
Phone (972) 449-0540

200 Hospital Ave
Jefferson, NC 28640-9244
Phone (972) 449-0540

200 SE Hospital Ave
Suite 2346
Stuart, FL 34994-2346
Phone (972) 449-0540

2000 Neuse Blvd
New Bern, NC 28560-3449
Phone (972) 449-0540

2134 Riverstone Loop
Ferndale, WA 98248-8024
Phone (972) 449-0540

24 Hospital Ave
Danbury, CT 06810-6099
Phone (972) 449-0540

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
1609850171ILMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Health System Corporation Current Accepting new patients
Mercy Health System Corporation CurrentSince Feb 5, 2021 Accepting new patients
Rockford Health Physicians CurrentSince Feb 5, 2021 Accepting new patients
Forefront-Rosenzweig Medical Services Professional Corporation Psychiatry CurrentSince Aug 11, 2025 Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
Northern Virginia Psychiatric Group Psychiatry CurrentSince Dec 13, 2005 Accepting new patients
Access Telecare California, P.C. Psychiatry CurrentSince Feb 11, 2024 Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
Mercy Health System Corporation CurrentSince Feb 5, 2021 Accepting new patients
Evergreen Mental Health Services, Inc. Psychiatry Past Accepting new patients
Evergreen Mental Health Services, Inc. Psychiatry Past Accepting new patients

Locations

5700 E Highway 90
Sierra Vista, AZ 85635
Phone (520) 263-2000

400 Old River Rd
Bakersfield, CA 93311
Phone (661) 663-6000

1150 N Indian Canyon Dr
Palm Springs, CA 92262
Phone (760) 323-6251

450 E Romie Ln
Salinas, CA 93901
Phone (831) 372-7844

2020 Genesee Ave
San Diego, CA 92123
Phone (619) 268-9500

13855 E 14th St
San Leandro, CA 94578
Phone (510) 357-6500

825 Delbon Ave
Turlock, CA 95382
Phone (209) 664-2744

29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652

1045 W Stephenson St
Freeport, IL 61032
Phone (815) 599-6105

901 Grant St
Harvard, IL 60033
Phone (815) 943-5431

348 S Division St
Harvard, IL 60033
Phone (815) 943-1122

2300 N Rockton Ave
Rockford, IL 61103
Phone (815) 971-5510

2400 N Rockton Ave
Rockford, IL 61103
Phone (815) 971-6310

45 School St
Ste 202
Boston, MA 02108
Phone (908) 731-0819

1717 Main St
Ste 5850
Dallas, TX 75201
Phone (469) 694-5512

8500 Executive Park Ave
Ste 200
Fairfax, VA 22031
Phone (703) 698-5200

7356 15th Ave NW
Seattle, WA 98117

1000 Mineral Point Ave
Janesville, WI 53548
Phone (608) 261-6868

N2950 State Road 67
Lake Geneva, WI 53147
Phone (262) 245-0535

Interoperability endpoints

  • Direct secure messaging: ccollin292052@direct.bilh.masshiway.net
  • FHIR API: https://fhir.meditouchehr.com/api/fhir/r4/
  • Direct secure messaging: ccollin21763@direct.svmh.com

Organizations & group practices 14

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.

View all 14

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1133308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776729600000",
    "number": "1609850171",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8500 EXECUTIVE PARK AVE",
            "address_2": "SUITE 200",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220312225",
            "telephone_number": "703-698-5220",
            "fax_number": "703-573-2351"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14901 BROSCHART RD",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503318",
            "telephone_number": "703-698-5220",
            "fax_number": "703-573-2351"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COLLIN",
        "first_name": "CARLOS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-30",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IL",
            "license": "1609850171",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MD",
            "license": "D0058156",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MAMSI",
            "identifier": "3137599",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "407682600",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NCPPO",
            "identifier": "710036",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "7874811",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST",
            "identifier": "0082",
            "state": "DC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville, MD

Sources for this page

Verify at the official NPI Registry.