Organization Active NPI

Asthma & Allergy Center LLC

  • Allergy & Immunology Physician
  • Rockville, MD
National Provider Identifier
1912089335
Registry record updated Aug 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Allergy & Immunology PhysicianTaxonomy code 207K00000X
Legal business name
ASTHMA & ALLERGY CENTER LLC
Practice address
14995 Shady Grove Rd Ste 100
Rockville, MD 20850-8733
Phone
(410) 772-8000
NPI assigned
Oct 19, 2006
Last updated
Aug 28, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2025

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

Authorized official

Name
Taylor Knutson
Title
Chief of Staff
Phone
(361) 244-3468

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Allergy & Immunology Physician 207K00000X Primary

Addresses

Primary practice location

14995 Shady Grove Rd Ste 100
Rockville, MD 20850-8733

Mailing address

2500 Legacy Dr Ste 200
Frisco, TX 75034-1844

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD, VA3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
O20051220000589 DC Part B Supplier - Clinic/Group Practice 7719909639 Receives reassigned benefits from 26 practitioners
Practice locations: Reston, VA; Rockville, MD; N Bethesda, MD; Silver Spring, MD; Washington, DC; Westminster, MD; Glenn Dale, MD; Greenbelt, MD…
O20170706001064 MD Part B Supplier - Clinic/Group Practice 7719909639 Receives reassigned benefits from 19 practitioners
Practice locations: Columbia, MD; Westminster, MD; Towson, MD; Pikesville, MD; Hagerstown, MD; Frederick, MD; Ellicott City, MD; Easton, MD…
O20191024002940 VA Part B Supplier - Clinic/Group Practice 7719909639 Receives reassigned benefits from 6 practitioners
Practice locations: Henrico, VA; Woodbridge, VA; North Chesterfield, VA

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
21D2304536Asthma & Allergy Center LLC14995 Shady Grove Rd Ste100, Rockville, MD 20850Certificate of waiverMay 14, 2028

National Provider Directory

National Provider Directory

Locations (25 of 29)

2100 Pennsylvania Ave NW
Ste A
Washington, DC 20037
Phone (202) 861-8883

2800 Quarry Lake Dr
Ste 100
Baltimore, MD 21209
Phone (410) 486-2000

208 Plumtree Rd
Ste B
Bel Air, MD 21015
Phone (410) 638-1999

4000 Mitchellville Rd
Ste 218
Bowie, MD 20716
Phone (301) 833-0001

8860 Columbia 100 Pkwy
Ste 210
Columbia, MD 21045
Phone (301) 957-0372

1576 Merritt Blvd
Ste 10
Dundalk, MD 21222
Phone (410) 282-2903

161 Thomas Johnson Dr
Ste 150
Frederick, MD 21702
Phone (301) 662-1244

12150 Annapolis Rd
Ste 108
Glenn Dale, MD 20769
Phone (301) 860-1200

7525 Greenway Center Dr
Ste 215
Greenbelt, MD 20770
Phone (301) 477-3151

1838 Greene Tree Rd
Ste 260
Pikesville, MD 21208
Phone (410) 486-2000

14995 Shady Grove Rd
Rockville, MD 20850
Phone (301) 277-4844

15201 Shady Grove Rd
Ste 201
Rockville, MD 20850
Phone (301) 869-7820

50 W Edmonston Dr
Rockville, MD 20852
Phone (301) 251-3704

6000 Executive Blvd
Ste 615
Rockville, MD 20852
Phone (240) 747-5750

10301 Georgia Ave
Ste 201
Silver Spring, MD 20902
Phone (301) 869-7820

10301 Georgia Ave
Ste 306
Silver Spring, MD 20902
Phone (301) 681-6055

2101 Medical Park Dr
Ste 305EAST
Silver Spring, MD 20902
Phone (301) 681-6055

2101 Medical Park Dr
Ste 306
Silver Spring, MD 20902

120 Sister Pierre Dr
Ste 2001
Towson, MD 21204

120 Sister Pierre Dr
Ste 201
Towson, MD 21204
Phone (410) 321-0284

3101 Emrick Blvd
Ste 110
Bethlehem, PA 18020

144 S 8th St
Ste 110
Chambersburg, PA 17201
Phone (301) 869-7820

6355 Walker Ln
Ste 307
Alexandria, VA 22310
Phone (703) 778-8201

8501 Arlington Blvd
Ste 450
Fairfax, VA 22031
Phone (703) 573-4440

6565 Arlington Blvd
Ste 440
Falls Church, VA 22042

Practitioners & affiliated clinicians

Practitioners 50

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 50

NPI Registry JSON

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

{
    "created_epoch": "1161216000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756339200000",
    "number": "1912089335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 LEGACY DR STE 200",
            "city": "FRISCO",
            "state": "TX",
            "postal_code": "750341844"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14995 SHADY GROVE RD STE 100",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208508733",
            "telephone_number": "410-772-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ASTHMA & ALLERGY CENTER LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-10-19",
        "last_updated": "2025-08-28",
        "certification_date": "2025-08-28",
        "status": "A",
        "authorized_official_last_name": "KNUTSON",
        "authorized_official_first_name": "TAYLOR",
        "authorized_official_title_or_position": "CHIEF OF STAFF",
        "authorized_official_telephone_number": "361-244-3468"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.

Verify at the official NPI Registry.