Active NPI
Paul Marshall Haas, CRNA
- Certified Registered Nurse Anesthetist
- Chesterfield, MO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 2012040544
- Practice address
- 232 S Woods Mill Rd
Chesterfield, MO 63017-3417 - Phone
- (314) 205-6294
- NPI assigned
- Jun 25, 2013
- Last updated
- Apr 8, 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | 2012040544 | MO | Primary |
| Certified Registered Nurse Anesthetist | 367500000X | 8666 | CT |
Addresses
Primary practice location
232 S Woods Mill Rd
Chesterfield, MO 63017-3417
Mailing address
1729 Nicholson PL
Saint Louis, MO 63104-2614
Phone (612) 414-7320
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2012040544 | Other | MO | BON |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY, CT
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Certified Registered Nurse Anesthetist (Crna)
- Education
- Other, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1 Hospital PLZ
Stamford, CT 06902-3602
Phone (203) 276-1000
32 Strawberry Hill CT
Stamford, CT 06902-2594
Phone (203) 276-2000
4 Hospital PLZ
Stamford, CT 06902-3602
Phone (203) 276-1000
41 E Post Rd
White Plains, NY 10601-4607
Phone (914) 681-0600
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 8666 | CT | MD | Physical Therapist |
| 2012040544 | MO | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Montefiore Medical Center | Current | Accepting new patients | |
| Montefiore Medical Center | Current | Accepting new patients | |
| Stamford Anesthesiology Services, PC | Current | Accepting new patients | |
| North American Partners in Anesthesia LLP | Current | Accepting new patients |
Locations
32 Strawberry Hill Ct
Stamford, CT 06902
Phone (203) 276-2000
7 Southwoods Blvd
Ste 4
Albany, NY 12211
111 E 210th St
Bronx, NY 10467
3122 Union St
Ste 1B
Flushing, NY 11354
Phone (718) 968-7171
68 S Service Rd
Ste 350
Melville, NY 11747
Phone (516) 945-3107
1510 Jericho Tpke
New Hyde Park, NY 11040
Phone (516) 216-5341
226 Westchester Ave
White Plains, NY 10604
Phone (914) 437-9910
41 E Post Rd
White Plains, NY 10601
Phone (914) 681-1201
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Anesthesiology Physician
- Melville, NY
- NPI 1649264706
-
- Anesthesiology Physician
- Stamford, CT
- NPI 1376608448
-
- Anesthesiology Physician
- Bronx, NY
- NPI 1063525152
-
dba Montefiore Community Pharmacy @ CHAM
- Community/Retail Pharmacy
- Bronx, NY
- NPI 1194183715
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Stamford, CT
- NPI 1356331425
-
dba White Plains Hospital Center
- General Acute Care Hospital
- White Plains, NY
- NPI 1447255153
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1372118400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1775606400000",
"number": "1285074120",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1729 NICHOLSON PL",
"city": "SAINT LOUIS",
"state": "MO",
"postal_code": "631042614",
"telephone_number": "612-414-7320"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "232 S WOODS MILL RD",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630173417",
"telephone_number": "314-205-6294"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAAS",
"first_name": "PAUL",
"middle_name": "MARSHALL",
"name_prefix": "Dr.",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-06-25",
"last_updated": "2026-04-08",
"certification_date": "2026-04-08",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "MO",
"license": "2012040544",
"primary": true
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "CT",
"license": "8666",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BON",
"identifier": "2012040544",
"state": "MO"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Chesterfield, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.