Individual provider Active NPI

Paul Marshall Haas, CRNA

  • Certified Registered Nurse Anesthetist
  • Chesterfield, MO
National Provider Identifier
1285074120
Registry record updated Apr 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
2012040544 Issued in MO
Practice address
232 S Woods Mill Rd
Chesterfield, MO 63017-3417
Phone
(314) 205-6294
NPI assigned
Jun 25, 2013
Last updated
Apr 8, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
2012040544OtherMOBON

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CT2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20150902000077 NY Practitioner - Certified Registered Nurse Anesthetist (Crna) 4789826918 Reassigns benefits to 2 organizations
I20200324002966 CT Practitioner - Certified Registered Nurse Anesthetist (Crna) 4789826918 Reassigns benefits to 1 organization

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
Stamford Anesthesiology Services PCGroup PAC ID 9335191667, 48 clinicians
North American Partners in Anesthesia LLPGroup PAC ID 7719885771, 427 clinicians

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

LicenseStateTypeSpecialty
8666CTMDPhysical Therapist
2012040544MOMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Montefiore Medical Center CurrentSince Feb 18, 2017 Accepting new patients
Montefiore Medical Center CurrentSince Feb 18, 2017 Accepting new patients
Stamford Anesthesiology Services, PC CurrentSince Feb 1, 2020 Accepting new patients
North American Partners in Anesthesia LLP CurrentSince Mar 23, 2021 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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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.

Verify at the official NPI Registry.