Individual provider Active NPI

John A Merritt, CRNA

  • Certified Registered Nurse Anesthetist
  • Dickinson, TX
National Provider Identifier
1700805314
Registry record updated Dec 15, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
048168 Issued in TX
Practice address
3810 Hughes CT
Dickinson, TX 77539-6205
Phone
(936) 639-3036
Fax
(936) 639-3064
NPI assigned
Jul 18, 2006
Last updated
Dec 15, 2021By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 048168 TX Primary

Addresses

Primary practice location

3810 Hughes CT
Dickinson, TX 77539-6205

Mailing address

PO Box 800129
Dallas, TX 75380-0129
Phone (888) 324-7432

Other identifiers 2

IdentifierTypeStateIssuer
82690UOtherTXBCBS
003398702MedicaidTX

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120324000057 TX Practitioner - Certified Registered Nurse Anesthetist (Crna) 8224298567 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Texans Anesthesia Associates PLLCGroup PAC ID 8820171390, 197 clinicians
Lonestar Anesthesia Solutions PLLCGroup PAC ID 8426567769, 46 clinicians
Compass Anesthesia Providers, PLLCGroup PAC ID 4082040878, 164 clinicians
U S Anesthesia Partners of Texas, PAGroup PAC ID 7315850351, 2,750 clinicians

Practice addresses (Care Compare)

1635 N Loop W
Houston, TX 77008-1532
Phone (713) 400-2990

1705 Jackson St
Richmond, TX 77469-3246
Phone (281) 341-3000

333 N Texas Ave
Webster, TX 77598-4966
Phone (281) 358-8114

333 N Texas Ave
Suite 1000
Webster, TX 77598-4962
Phone (713) 400-2990

502 W Medical Ctr Blvd
Greater Houston Anesthesiology
Webster, TX 77598-4220
Phone (281) 332-2433

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
048168TXMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
U S Anesthesia Partners of Texas, PA Nurse Anesthetist, Certified Registered CurrentSince Sep 30, 2025 Accepting new patients
Bayou Anesthesia and Pain P.a. CurrentSince Sep 1, 2022 Accepting new patients
Texans Anesthesia Associates PLLC Nurse Anesthetist, Certified Registered CurrentSince Feb 15, 2019 Accepting new patients
Specialized Crna Services L.L.C. Nurse Anesthetist, Certified Registered CurrentSince Aug 10, 2014 Accepting new patients
U. S. Anesthesia Partners of Texas, P.a., Nurse Anesthetist, Certified Registered CurrentSince Sep 30, 2025 Accepting new patients
Northwest Anesthesiology & Pain Services, P.a. CurrentSince Sep 1, 2022 Accepting new patients
Compass Anesthesia Providers PLLC CurrentSince Jan 1, 2020 Accepting new patients
Lonestar Anesthesia Solutions PLLC CurrentSince Jun 15, 2025 Accepting new patients
RPK Anesthesia PA. Past Accepting new patients
Best Choice Anesthesia & Pain PLLC Past Accepting new patients

Locations (25 of 39)

2760 Brazos Pkwy
Angleton, TX 77515
Phone (979) 848-5900

4201 Garth Rd
Ste 212
Baytown, TX 77521
Phone (281) 420-9355

303 Sandy Corner Rd
El Campo, TX 77437
Phone (979) 543-6251

10901 Katy Fwy
Houston, TX 77079
Phone (713) 467-4488

1631 North Loop W
Ste 300
Houston, TX 77008
Phone (713) 343-1080

1635 North Loop W
Houston, TX 77008
Phone (713) 867-2066

17080 Red Oak Dr
Houston, TX 77090
Phone (281) 298-7441

18300 Houston Methodist Dr
Houston, TX 77058
Phone (281) 523-2000

4120 Southwest Fwy
Ste 100
Houston, TX 77027
Phone (713) 626-8500

4200 Twelve Oaks Dr
Houston, TX 77027
Phone (713) 621-5010

5115 Fannin St
Ste 1000
Houston, TX 77004
Phone (713) 275-2457

6011 W Sam Houston Pkwy S
Houston, TX 77072
Phone (713) 383-9651

6655 Travis St
Ste 200
Houston, TX 77030
Phone (713) 590-5461

7010 Champions Plaza Dr
Houston, TX 77069
Phone (832) 698-5320

7010 Champions Plaza Dr
Ste 300
Houston, TX 77069
Phone (832) 698-5320

7010 Champions Plaza Dr
Ste 400
Houston, TX 77069
Phone (832) 698-5320

710 FM 1960 Rd W
Houston, TX 77090
Phone (281) 440-1000

7600 Beechnut St
Houston, TX 77074
Phone (713) 456-5000

7737 Southwest Fwy
Ste 840
Houston, TX 77074
Phone (346) 561-0101

9180 Katy Fwy
Ste 250
Houston, TX 77055
Phone (281) 348-0400

950 Threadneedle St
Ste 250
Houston, TX 77079
Phone (713) 467-0146

970 Campbell Rd
Houston, TX 77024
Phone (713) 461-3547

300 Kingwood Medical Dr
Kingwood, TX 77339
Phone (281) 312-4000

100 Medical Dr
Lake Jackson, TX 77566
Phone (713) 496-7555

4000 Spencer Hwy
Pasadena, TX 77504
Phone (713) 359-1000

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/27020/brand/1/csg/1/fhir/r4

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.

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": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1639526400000",
    "number": "1700805314",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 800129",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753800129",
            "telephone_number": "888-324-7432",
            "fax_number": "972-528-5309"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3810 HUGHES CT",
            "city": "DICKINSON",
            "state": "TX",
            "postal_code": "775396205",
            "telephone_number": "936-639-3036",
            "fax_number": "936-639-3064"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERRITT",
        "first_name": "JOHN",
        "middle_name": "A",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-18",
        "last_updated": "2021-12-15",
        "certification_date": "2021-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TX",
            "license": "048168",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "82690U",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "003398702",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dickinson, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2021; 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.