Individual provider Active NPI

Christopher Allen, MD

  • Anesthesiology Physician
  • San Francisco, CA
National Provider Identifier
1871234773
Registry record updated Apr 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
A193756 Issued in CA
Practice address
521 Parnassus Ave
San Francisco, CA 94143-2206
Phone
(415) 476-9035
NPI assigned
Apr 5, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X DR.0077079 CO
Anesthesiology Physician 207L00000X A193756 CA Primary

Addresses

Primary practice location

521 Parnassus Ave
San Francisco, CA 94143-2206

Mailing address

PO Box 173656
Denver, CO 80217-3656

Other practice location 1

2601 E Roosevelt St
Phoenix, AZ 85008-4973
Phone (602) 344-5445

Other practice location 2

513 Parnassus Ave # S436
San Francisco, CA 94143-2205
Phone (281) 753-0226

Other practice location 3

12911 W 40th Ave
Golden, CO 80401-2696
Phone (303) 425-4500

Other names 1

  • Chris Allen Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, CO2 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
I20260424001448 CA Practitioner - Anesthesiology 1951878131 Reassigns benefits to 3 organizations
I20260605002197 CO Practitioner - Anesthesiology 1951878131 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
University of Texas at Austin Dell Medical School, 2022
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

2001 The Embarcadero
Suite 1500
San Francisco, CA 94143-5200

2001 The Embarcadero St
Suite 1500
San Francisco, CA 94133-2964

2130 Post St
Apt 208
San Francisco, CA 94115-3483

2351 Helena St
San Luis Obispo, CA 93401-4511

4100 International PLZ
Fort Worth, TX 76109-4800

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A193756CAMDAnesthesiology Physician
DR.0077079COMDAnesthesiology Physician

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1649116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775088000000",
    "number": "1871234773",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 173656",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802173656"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "521 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432206",
            "telephone_number": "415-476-9035"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2601 E Roosevelt St",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850084973",
            "country_code": "US",
            "telephone_number": "602-344-5445",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "513 Parnassus Ave # S436",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941432205",
            "country_code": "US",
            "telephone_number": "281-753-0226",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12911 W 40th Ave",
            "address_purpose": "LOCATION",
            "city": "Golden",
            "state": "CO",
            "postal_code": "804012696",
            "country_code": "US",
            "telephone_number": "303-425-4500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "CHRISTOPHER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-05",
        "last_updated": "2026-04-02",
        "certification_date": "2026-04-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CO",
            "license": "DR.0077079",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A193756",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHRIS",
            "last_name": "ALLEN",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.