Marcella M Petzchen, NP

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

051062 Issued in MO

Practice address

3660 Vista Ave
Suite 207
Saint Louis, MO 63110-2540

Phone

(314) 977-6100

Fax

(314) 977-6137

NPI assigned

Apr 3, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in MO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 1968

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Health Care GroupGroup PAC ID 0143608372, 929 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health Saint Louis University Hospital Hospital, Saint Louis, MO, CCN 260105
• SSM Health St Mary's Hospital - St Louis Hospital, Saint Louis, MO, CCN 260091
• SSM Health Rehabilitation Hospital Inpatient rehabilitation facility, Richmond Heights, MO, CCN 263031

Merit-based Incentive Payment System (MIPS)

Final score

84.94 of 100Reported as group

Quality

68.52

Promoting interoperability

100

Improvement activities

40

Cost

72.22

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mpetzchen236927@direct-ehr-ssmhc.com

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.

• SSM Health Care Group

  dba SLUCare Physician Group

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1306589544
  Medicare reassignment Care Compare group NPD
• SLH Physicians LLC

  • Emergency Medicine Physician
  • Saint Louis, MO
  • NPI 1881668051
  Medicare reassignment NPD
• SSM Health Care Group

  dba SLUCare Physician Group

  • Dermatopathology Physician
  • Saint Louis, MO
  • NPI 1932844495
  NPD
• SSM Medical Group Inc.

  dba SSM Health Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Fenton, MO
  • NPI 1124579966
  NPD (past)
• St Alexius Emergency Physicians LLC

  • Emergency Medicine Physician
  • Saint Louis, MO
  • NPI 1578796157
  NPD (past)

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

• SSM Health Care St. Louis

  dba SSM Health Cardinal Glennon Children's Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1336387836
  Care Compare affiliation
• SSM Health Care St. Louis

  dba SSM Health St. Mary's Hospital - St. Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1962572396
  Care Compare affiliation
• SSM Select Rehab St Louis LLC

  • Rehabilitation Hospital
  • Richmond Heights, MO
  • NPI 1659511988

  Inpatient rehabilitation facility

  Care Compare affiliation
• SSM-Sluh Inc

  dba SSM Health Saint Louis University Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1942685920
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1144022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754265600000",
    "number": "1255393716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3691 RUTGER AVE",
            "address_2": "PROVIDER ENROLLMENT",
            "city": "ST LOUIS",
            "state": "MO",
            "postal_code": "63110",
            "telephone_number": "314-977-4440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3660 VISTA AVE",
            "address_2": "SUITE 207",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631102540",
            "telephone_number": "314-977-6100",
            "fax_number": "314-977-6137"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETZCHEN",
        "first_name": "MARCELLA",
        "middle_name": "M",
        "name_prefix": "Ms.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-03",
        "last_updated": "2025-08-04",
        "certification_date": "2025-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "MO",
            "license": "051062",
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "MO",
            "license": "051062",
            "primary": false
        },
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "MO",
            "license": "051062",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MO",
            "license": "051062",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kellen Seth Pettus, MD
• Alberta Petty
• Debbie Petty
• Jessica Lynn Petty, PTA
• Jordan Petty
• Nancy Pevnick, PTA
• Becky Ann Pew, M.D.
• Dorinda Peyton, LPC
• Michael Pfaff
• Dawn L Pfeffer Wright, ACNP

• Adult Health Nurse Practitioner in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Adult Health Nurse Practitioner in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 2025; 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.

Verify at the official NPI Registry.