Individual provider Active NPI

Denis John Ofallon, M.D.

  • Anesthesiology Physician
  • Rockville, MD
National Provider Identifier
1568418945
Registry record updated Mar 9, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
D39868 Issued in MD
Practice address
1901 Research Blvd
350
Rockville, MD 20850-3164
Phone
(301) 838-9606
Fax
(301) 838-9029
NPI assigned
May 26, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X D39868 MD Primary

Addresses

Primary practice location

1901 Research Blvd
350
Rockville, MD 20850-3164

Mailing address

12123 Merricks CT
Monrovia, MD 21770-9446

Other identifiers 2

IdentifierTypeStateIssuer
066751000MedicaidMD
601285800OtherFECA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20040519000778 MD Practitioner - Anesthesiology 5193716173 Reassigns benefits to 5 organizations
I20041220000406 DC Practitioner - Anesthesiology 5193716173 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Maryland School of Medicine, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Anesthesia Dynamics LLCGroup PAC ID 3870959638, 4 clinicians
Anesthesia Company LLCGroup PAC ID 4587559026, 373 clinicians

Practice addresses (Care Compare)

17 Western Maryland
Pkwy Suite 102
Hagerstown, MD 21740-5471
Phone (888) 851-4642

2001 Medical Pkwy
Annapolis, MD 21401-3773
Phone (443) 481-1000

400 W 7TH St
Frederick, MD 21701-4506
Phone (240) 566-3300

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
63.85 of 100Reported as group
Quality
57.47
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D39868MDMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia Dynamics LLC Anesthesiology CurrentSince Jun 24, 2024 Accepting new patients
First Colonies Anesthesia Associates, LLC Anesthesiology CurrentSince Jan 1, 2005 Accepting new patients
Anesthesia Dynamics LLC Anesthesiology CurrentSince Jun 24, 2024 Accepting new patients
Anesthesia Company, LLC Anesthesiology CurrentSince Dec 6, 2024 Accepting new patients
Western Maryland Anesthesia Associates, LLC Anesthesiology CurrentSince Feb 26, 2025 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

820 Bestgate Rd
Annapolis, MD 21401
Phone (410) 224-4971

2001 Medical Pkwy
Annapolis, MD 21401
Phone (410) 280-5601

6816 Deerpath Rd
Elkridge, MD 21075
Phone (410) 757-5019

400 W 7th St
Frederick, MD 21701
Phone (240) 566-3300

7115 Guilford Dr
Ste 201
Frederick, MD 21704
Phone (301) 682-6261

17 Western Maryland Pkwy
Ste 102
Hagerstown, MD 21740
Phone (240) 420-0192

11210 Old Georgetown Rd
Rockville, MD 20852
Phone (301) 881-7770

11210 Old Georgetown Rd
#12202
Rockville, MD 20852
Phone (301) 881-7770

1500 Forest Glen Rd
Silver Spring, MD 20910
Phone (301) 754-7230

8322 Bellona Ave
Ste 201
Towson, MD 21204
Phone (410) 337-2688

12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 361-1844

Organizations & group practices 6

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1148601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1268092800000",
    "number": "1568418945",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12123 MERRICKS CT",
            "city": "MONROVIA",
            "state": "MD",
            "postal_code": "217709446"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1901 RESEARCH BLVD",
            "address_2": "350",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503164",
            "telephone_number": "301-838-9606",
            "fax_number": "301-838-9029"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OFALLON",
        "first_name": "DENIS",
        "middle_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-26",
        "last_updated": "2010-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D39868",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "066751000",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FECA",
            "identifier": "601285800",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockville, MD

Sources for this page

Verify at the official NPI Registry.