Columbia Associates in Psychiatry PC

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

Legal business name

COLUMBIA ASSOCIATES IN PSYCHIATRY PC

Practice address

8455 Colesville Rd Ste 755
Silver Spring, MD 20910-3315

Phone

(571) 977-6870

NPI assigned

Oct 29, 2025

Organization subpart

Yes

Parent organization

COLUMBIA ASSOCIATES IN PSYCHIATRY PCAs reported in NPPES

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

Authorized official

Name

Rashell Thompson

Title

Credentialing Manager

Phone

(602) 672-2070

Specialties & licenses 9

Addresses

Tax ID family

Columbia Associates in Psychiatry PC7 organizations share this tax ID, including this one

Part of

Columbia Associates in Psychiatry PC

Other organizations with this tax ID 6

Organizations that report the same tax identification number in the National Provider Directory.

• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Towson, MD
  • NPI 1205796158
  NPD tax ID
• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Bowie, MD
  • NPI 1235007360
  NPD tax ID
• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Columbia, MD
  • NPI 1285502310
  NPD tax ID
• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Annapolis, MD
  • NPI 1609744747
  NPD tax ID
• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Glen Burnie, MD
  • NPI 1679441703
  NPD tax ID
• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Rockville, MD
  • NPI 1821966946
  NPD tax ID

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Ernest Massalla

  • Psychiatric/Mental Health Nurse Practitioner
  • Silver Spring, MD
  • NPI 1336859610
  NPD

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

{
    "created_epoch": "1761696000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766361600000",
    "number": "1265300396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 ROSS ST",
            "address_2": "154--0455",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152620001"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8455 COLESVILLE RD STE 755",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209103315",
            "telephone_number": "571-977-6870"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COLUMBIA ASSOCIATES IN PSYCHIATRY PC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "COLUMBIA ASSOCIATES IN PSYCHIATRY PC",
        "enumeration_date": "2025-10-29",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A",
        "authorized_official_last_name": "THOMPSON",
        "authorized_official_first_name": "RASHELL",
        "authorized_official_title_or_position": "CREDENTIALING MANAGER",
        "authorized_official_telephone_number": "602-672-2070"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "106H00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Marriage & Family Therapist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Colesville Eldercare LLC
• Ann M. Collins, LCSW-C
• Charee Collins, PT
• Michael Edward Collins III, DPT
• Maria del Mar Colon, MD
• Columbia Lighthouse for the Blind
• Bernedette Coly, HHA
• Giavanna M Combs
• Shelby Brooke Combs, LCSW
• Teresa D Combs, PHD, APRN, BC

• Psychiatry Physician in Silver Spring, MD
• Providers in Silver Spring, MD by specialty
• Psychiatry Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.