Individual provider Active NPI

John Flaks, D.O.

  • Anesthesiology Physician
  • Baltimore, MD
National Provider Identifier
1366424939
Registry record updated Oct 17, 2008
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
H0059599 Issued in MD
Practice address
3001 S Hanover St
Baltimore, MD 21225-1233
Phone
(410) 350-3341
NPI assigned
Nov 18, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 17, 2008

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 H0059599 MD Primary

Addresses

Primary practice location

3001 S Hanover St
Baltimore, MD 21225-1233

Mailing address

29 Creamery LN
Easton, MD 21601-3137
Phone (410) 819-0710

Other identifiers 1

IdentifierTypeStateIssuer
404715000MedicaidMD

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
I20040624000980 MD Practitioner - Anesthesiology 8628054483 Reassigns benefits to 6 organizations
I20081204000713 DC Practitioner - Anesthesiology 8628054483 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Philadelphia College of Osteopathic Medicine, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Columbia Outpatient Sedation LLC 29 clinicians

Practice addresses (Care Compare)

3407 Olandwood CT
Unit 103
Olney, MD 20832-1447
Phone (301) 570-8671

7120 Minstrel Way
Suite 100
Columbia, MD 21045-5274
Phone (410) 290-6677

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
H0059599MDMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia Company, LLC Anesthesiology CurrentSince Jun 1, 2024 Accepting new patients
Medstar Medical Group II LLC CurrentSince Dec 1, 2024 Accepting new patients
Medstar Medical Group II LLC CurrentSince Dec 1, 2024 Accepting new patients
Medstar Medical Group Anesthesiology LLC Anesthesiology CurrentSince Dec 1, 2017 Accepting new patients
Global Anesthesia Services LLC Anesthesiology CurrentSince Sep 13, 2024 Accepting new patients
Medstar Medical Group Anesthesiology LLC Anesthesiology CurrentSince Dec 1, 2017 Accepting new patients
Columbia Outpatient Sedation LLC Anesthesiology CurrentSince Sep 1, 2024 Accepting new patients
Francu One LLC CurrentSince Sep 13, 2024 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Endocentre at Quarterfield Station Past Accepting new patients
Zinder Anesthesia Associates LLC Past Accepting new patients
Olney Endoscopy Center PastSince Sep 1, 2024 Accepting new patients
Harborview Anesthesia Associates-Allan M Birenberg M.D. P.a. Anesthesiology Past Accepting new patients

Locations

626C Admiral Dr
#324
Annapolis, MD 21401

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

1419 Forest Dr
Ste 105
Annapolis, MD 21403

201 E University Pkwy
Baltimore, MD 21218
Phone (410) 554-2651

3001 S Hanover St
Brooklyn Park, MD 21225
Phone (410) 350-3200

9001 Woodyard Rd
Ste B
Clinton, MD 20735
Phone (301) 868-4950

7120 Minstrel Way
Ste 100
Columbia, MD 21045
Phone (571) 210-4828

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

197 Thomas Johnson Dr
Frederick, MD 21702
Phone (301) 631-3881

1406 Crain Hwy S
Glen Burnie, MD 21061
Phone (410) 768-6440

308 Hospital Dr
Ste 102
Glen Burnie, MD 21061
Phone (410) 760-8100

8118 Good Luck Rd
Lanham Seabrook, MD 20706
Phone (301) 552-8608

3407 Olandwood Ct
Unit 103
Olney, MD 20832
Phone (301) 570-8671

70 Sherry Ln
Ste 101
Prnc Frederck, MD 20678
Phone (410) 889-2040

8905 Fairview Rd
Silver Spring, MD 20910
Phone (888) 554-0631

Organizations & group practices 13

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 13

NPI Registry JSON

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

{
    "created_epoch": "1132272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1224201600000",
    "number": "1366424939",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29 CREAMERY LN",
            "city": "EASTON",
            "state": "MD",
            "postal_code": "216013137",
            "telephone_number": "410-819-0710",
            "fax_number": "410-819-0712"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3001 S HANOVER ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212251233",
            "telephone_number": "410-350-3341"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLAKS",
        "first_name": "JOHN",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-18",
        "last_updated": "2008-10-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "H0059599",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "404715000",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.