Active NPI
Andrew Hallmark
- Anesthesiology Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- A192127
- Practice address
- 251 E Huron St
Chicago, IL 60611-2908 - Phone
- (630) 933-4800
- NPI assigned
- Jun 25, 2019
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | A192127 | CA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | 4351044182 | MI | |
| Anesthesiology Physician | 207L00000X | 036.164135 | IL |
Addresses
Primary practice location
251 E Huron St
Chicago, IL 60611-2908
Mailing address
450 Mamaroneck Ave Ste 201
Harrison, NY 10528-2436
Phone (909) 742-2689
Other practice location 1
2101 N Waterman Ave
San Bernardino, CA 92404-4836
Phone (909) 883-8711
Other practice location 2
U of M Department of Anesthesiology
1500 E Medical Ctr 1H241 UH
Ann Arbor, MI 48109-5048
Phone (734) 936-4280
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- University of Florida College of Medicine, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
11234 Anderson St
Loma Linda, CA 92354-2804
11370 Anderson St
Loma Linda, CA 92354-3450
12401 Washington Blvd
Whittier, CA 90602-1006
Phone (562) 698-0811
2101 N Waterman Ave
San Bernardino, CA 92404-4836
Phone (760) 449-5391
26780 Barton Rd
Redlands, CA 92373-4308
Phone (909) 558-5174
File Number
Suite 54701
Los Angeles, CA 90074-4701
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.87 of 100
- Quality
- 72.13
- Promoting interoperability
- 80
- Improvement activities
- 40
- Cost
- 77.36
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A192127 | CA | MD | Anesthesiology Physician |
| 036.164135 | IL | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Obstetric Anesthesia Associates Inc | Anesthesiology | Current | Accepting new patients |
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Palm Springs Anesthesia Services, PC | Anesthesiology | Current | Accepting new patients |
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Anesthesiology | Current | Accepting new patients |
| Faculty Physicians and Surgeons of Llusm | Past | Accepting new patients |
Locations
2309 Antonio Ave
Camarillo, CA 93010
Phone (805) 389-5655
11234 Anderson St
Loma Linda, CA 92350
Phone (909) 558-3016
11370 Anderson St
#B100
Loma Linda, CA 92354
Phone (909) 558-2848
1050 Linden Ave
Long Beach, CA 90813
Phone (562) 491-9000
File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300
1600 N Rose Ave
Oxnard, CA 93030
Phone (805) 988-2500
1150 N Indian Canyon Dr
Palm Springs, CA 92262
Phone (760) 323-6251
3762 Tibbetts St
Riverside, CA 92506
Phone (951) 686-2224
2101 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 881-4305
415 E Harding Way
Ste E
Stockton, CA 95204
Phone (209) 337-4935
12401 Washington Blvd
Whittier, CA 90602
Phone (562) 698-0611
450 Mamaroneck Ave
Ste 201
Harrison, NY 10528
Phone (877) 476-6642
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.
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Apple Valley, CA
- NPI 1205009917
-
- Anesthesiology Physician
- San Bernardino, CA
- NPI 1083928501
-
- Anesthesiology Physician
- Whittier, CA
- NPI 1184041857
-
- Medical Toxicology (Emergency Medicine) Physician
- San Bernardino, CA
- NPI 1487124798
-
- Family Medicine Physician
- Moreno Valley, CA
- NPI 1558788331
Anesthesiology
-
- Orthopaedic Surgery Physician
- Loma Linda, CA
- NPI 1275582918
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba St. Bernardine Medical Center
- General Acute Care Hospital
- San Bernardino, CA
- NPI 1689769911
-
- General Acute Care Hospital
- Loma Linda, CA
- NPI 1194731935
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1561420800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775433600000",
"number": "1255992855",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "450 MAMARONECK AVE STE 201",
"city": "HARRISON",
"state": "NY",
"postal_code": "105282436",
"telephone_number": "909-742-2689"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "251 E HURON ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606112908",
"telephone_number": "630-933-4800"
}
],
"practiceLocations": [
{
"address_1": "2101 N Waterman Ave",
"address_purpose": "LOCATION",
"city": "San Bernardino",
"state": "CA",
"postal_code": "924044836",
"country_code": "US",
"telephone_number": "909-883-8711",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "U of M Department of Anesthesiology",
"address_2": "1500 E Medical Ctr 1H241 UH",
"address_purpose": "LOCATION",
"city": "Ann Arbor",
"state": "MI",
"postal_code": "481095048",
"country_code": "US",
"telephone_number": "734-936-4280",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HALLMARK",
"first_name": "ANDREW",
"name_prefix": "Dr.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-06-25",
"last_updated": "2026-04-06",
"certification_date": "2026-04-06",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CA",
"license": "A192127",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "MI",
"license": "4351044182",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "IL",
"license": "036.164135",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.