Active NPI
William B Waldrop, MD
- Anesthesiology Physician
- Dallas, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- Q9074
- Practice address
- 12222 Merit Dr Ste 600
Dallas, TX 75251-3294 - Phone
- (972) 715-5000
- Fax
- (972) 715-9976
- NPI assigned
- Oct 4, 2006
- Last updated
- Sep 29, 2026
- 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 8
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | Q9074 | TX | Primary |
| Anesthesiology Physician | 207L00000X | 2004014288 | MO | |
| Anesthesiology Physician | 207L00000X | E-16106 | AR | |
| Critical Care Medicine (Anesthesiology) Physician | 207LC0200X | E-16106 | AR | |
| Critical Care Medicine (Anesthesiology) Physician | 207LC0200X | 2004014288 | MO | |
| Pediatric Anesthesiology Physician | 207LP3000X | E-16106 | AR | |
| Pediatric Anesthesiology Physician | 207LP3000X | 2004014288 | MO | |
| Pediatric Anesthesiology Physician | 207LP3000X | Q9074 | TX |
Addresses
Primary practice location
12222 Merit Dr Ste 600
Dallas, TX 75251-3294
Mailing address
PO Box 840853
Dallas, TX 75284-0853
Phone (972) 233-1999
Other practice location 1
6621 Fannin St
Houston, TX 77030-2358
Phone (832) 824-1000
Other practice location 2
1 Childrens Pl
Saint Louis, MO 63110-1002
Phone (314) 454-6215
Other practice location 3
1 Childrens Way # 203
Little Rock, AR 72202-3500
Phone (501) 364-3933
Other identifiers 9
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1524631 | Medicaid | TN | |
| 1619063336 | Medicaid | MI | |
| 914479000 | Medicaid | FL | |
| 101740042 | Medicaid | MO | |
| 185884001 | Medicaid | AR | |
| 200686180A | Medicaid | KS | |
| 7100154120 | Medicaid | KY | |
| 1819083886 | Medicaid | MN | |
| 1619063336 | Medicaid | IA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, AR
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Other, 2001
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
17500 W Grand Pkwy S
Greater Houston Anesthesiology
Sugar Land, TX 77479-2562
Phone (281) 725-5252
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| Q9074 | TX | MD | Anesthesiology Physician |
| E-16106 | AR | MD | Critical Care Medicine (Anesthesiology) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of Arkansas for Medical Sciences | Current | Accepting new patients | |
| U S Anesthesia Partners of Texas, PA | Anesthesiology | Current | Accepting new patients |
| University of Arkansas for Medical Sciences | Current | Accepting new patients | |
| University of Arkansas for Medical Sciences | Anesthesiology | Current | Accepting new patients |
| University of Arkansas for Medical Sciences | Current | Accepting new patients | |
| Arkansas Children's Hospital | Current | Accepting new patients | |
| U. S. Anesthesia Partners of Texas, P.a., | Anesthesiology | Current | Accepting new patients |
| University of Arkansas for Medical Sciences | Anesthesiology | Current | Accepting new patients |
| Arkansas Childrens Hospital | Current | Accepting new patients | |
| Texas Children's Physician Group | Current | Accepting new patients |
Locations
1 Childrens Way
Little Rock, AR 72202
Phone (501) 364-1874
1 Childrens Way
#203
Little Rock, AR 72202
Phone (501) 364-2180
1 Childrens Way
#653
Little Rock, AR 72202
Phone (501) 614-2006
1 Childrens Way
Ste 653
Little Rock, AR 72202
4301 W Markham St
Little Rock, AR 72205
Phone (501) 603-1278
4301 W Markham St
#783
Little Rock, AR 72205
Phone (501) 603-1278
12222 Merit Dr
Ste 600
Dallas, TX 75251
Phone (972) 776-3185
2450 Holcombe Blvd
Ste NB34L
Houston, TX 77021
Phone (713) 796-0003
6621 Fannin St
Houston, TX 77030
Phone (832) 824-1866
6621 Fannin St
Ste W17417
Houston, TX 77030
6701 Fannin St
Houston, TX 77030
Phone (832) 822-1764
7600 Beechnut St
Houston, TX 77074
Phone (713) 456-5000
100 Medical Dr
Lake Jackson, TX 77566
Phone (713) 496-7555
9250 Pinecroft Dr
Shenandoah, TX 77380
Phone (281) 364-2300
17500 W Grand Pkwy S
Sugar Land, TX 77479
Phone (281) 725-5000
6801 Emmett F Lowry Expy
Texas City, TX 77591
Phone (409) 938-5095
Organizations & group practices 10
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Greater Houston Anesthesiology, P.A.
- Anesthesiology Physician
- Houston, TX
- NPI 1548208564
-
- Pediatrics Physician
- Houston, TX
- NPI 1861675506
-
dba ACH Physicians Billing Group
- Pediatrics Physician
- Little Rock, AR
- NPI 1598773079
-
dba Childrens University Medical Group
- Pediatrics Physician
- Little Rock, AR
- NPI 1346230968
Anesthesiology
-
- Internal Medicine Physician
- Little Rock, AR
- NPI 1588654016
Anesthesiology
-
- Interventional Pain Medicine Physician
- Addison, TX
- NPI 1053800391
Anesthesiology
-
- Children's Hospital
- Little Rock, AR
- NPI 1477561983
-
- Family Medicine Physician
- El Dorado, AR
- NPI 1023795051
-
dba CUMG Psychology Services
- Psychologist
- Little Rock, AR
- NPI 1114255353
-
- Family Medicine Physician
- Little Rock, AR
- NPI 1386317345
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba MHHS NW Radiation Therapy
- Radiology Clinic/Center
- Houston, TX
- NPI 1013948553
Hospital
-
dba MHHS Woodlands Outpatient Imaging System
- Radiology Clinic/Center
- The Woodlands, TX
- NPI 1275564858
Hospital
-
dba Memorial Hermann Sugar Land Hospital
- General Acute Care Hospital
- Sugar Land, TX
- NPI 1295788735
-
dba Memorial Hermann Outpatient Imaging-Southwest
- Radiology Clinic/Center
- Houston, TX
- NPI 1407959448
Hospital
-
dba MHHS Friendswood Imaging
- Radiology Clinic/Center
- Friendswood, TX
- NPI 1508896267
Hospital
-
dba MHHS Pearland Outpatient Imaging Center
- Radiology Clinic/Center
- Pearland, TX
- NPI 1669402335
Hospital
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
-
dba Houston Methodist Sugar Land Hospital
- General Acute Care Hospital
- Sugar Land, TX
- NPI 1497871628
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159920000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790640000000",
"number": "1619063336",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 840853",
"city": "DALLAS",
"state": "TX",
"postal_code": "752840853",
"telephone_number": "972-233-1999",
"fax_number": "972-233-3666"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "12222 MERIT DR STE 600",
"city": "DALLAS",
"state": "TX",
"postal_code": "752513294",
"telephone_number": "972-715-5000",
"fax_number": "972-715-9976"
}
],
"practiceLocations": [
{
"address_1": "6621 Fannin St",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "770302358",
"country_code": "US",
"telephone_number": "832-824-1000",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Childrens Pl",
"address_purpose": "LOCATION",
"city": "Saint Louis",
"state": "MO",
"postal_code": "631101002",
"country_code": "US",
"telephone_number": "314-454-6215",
"fax_number": "314-454-2296",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1 Childrens Way # 203",
"address_purpose": "LOCATION",
"city": "Little Rock",
"state": "AR",
"postal_code": "722023500",
"country_code": "US",
"telephone_number": "501-364-3933",
"fax_number": "501-364-2939",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WALDROP",
"first_name": "WILLIAM",
"middle_name": "B",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-10-04",
"last_updated": "2026-09-29",
"certification_date": "2025-06-17",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "TX",
"license": "Q9074",
"primary": true
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "MO",
"license": "2004014288",
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "AR",
"license": "E-16106",
"primary": false
},
{
"code": "207LC0200X",
"taxonomy_group": "",
"desc": "Anesthesiology, Critical Care Medicine",
"state": "AR",
"license": "E-16106",
"primary": false
},
{
"code": "207LC0200X",
"taxonomy_group": "",
"desc": "Anesthesiology, Critical Care Medicine",
"state": "MO",
"license": "2004014288",
"primary": false
},
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "AR",
"license": "E-16106",
"primary": false
},
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "MO",
"license": "2004014288",
"primary": false
},
{
"code": "207LP3000X",
"taxonomy_group": "",
"desc": "Anesthesiology, Pediatric Anesthesiology",
"state": "TX",
"license": "Q9074",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
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},
{
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"identifier": "914479000",
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"identifier": "200686180A",
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"identifier": "1819083886",
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],
"endpoints": [],
"other_names": []
}
Other providers in Dallas, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 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.