NPIMap

Individual provider Active NPI

Samuel A. Patteson, CRNP

  • Critical Care Medicine Nurse Practitioner
  • Baltimore, MD
National Provider Identifier
1699210583
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine Nurse PractitionerTaxonomy code 363LC0200X
License
R235719 Issued in MD
Practice address
22 S Greene St
Baltimore, MD 21201-1544
Phone
(410) 328-8141
Fax
(410) 328-0177
NPI assigned
Dec 30, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 1, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine Nurse Practitioner 363LC0200X R235719 MD Primary
Nurse Practitioner 363L00000X R235719 MD

Addresses

Primary practice location

22 S Greene St
Baltimore, MD 21201-1544

Mailing address

PO Box 64442
Baltimore, MD 21264-4442
Phone (410) 328-8040

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20181205000235 MD Practitioner - Nurse Practitioner 3476821984 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Duke University School of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Maryland Physicians PAGroup PAC ID 2769394808, 395 clinicians

Practice addresses (Care Compare)

22 S Green St
Baltimore, MD 21201-1544
Phone (410) 328-8040

Hospital & facility affiliations

  • University of Maryland Medical Center Hospital, Baltimore, MD, CCN 210002
  • University of MD Shore Medical Center at Easton Hospital, Easton, MD, CCN 210037

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
R235719MDMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of Maryland Physicians P.a. CurrentSince Oct 22, 2022 Accepting new patients
University of Maryland Physicians P.a. Current Accepting new patients
Tidalhealth Specialty Care, LLC CurrentSince Sep 1, 2020 Accepting new patients
University of Maryland Physicians P.a. CurrentSince Oct 22, 2022 Accepting new patients
Tidalhealth Peninsula Regional, Inc. CurrentSince Nov 1, 2018 Accepting new patients
Tidalhealth Peninsula Regional, Inc. CurrentSince Nov 1, 2018 Accepting new patients
Tidalhealth Specialty Care, LLC Past Accepting new patients

Locations

22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793

106 Milford St
Ste 201
Salisbury, MD 21804
Phone (410) 543-1616

145 E Carroll St
Salisbury, MD 21801
Phone (410) 546-6400

100 E Carroll St
Salisbury, MD 21801
Phone (410) 543-7100

145 E Carroll St
Ste 101102
Salisbury, MD 21801
Phone (410) 543-7717

Interoperability endpoints

  • Direct secure messaging: spatteson925898@direct.hopkinsmedicine.org
  • Direct secure messaging: spatteson925545@direct.umm.edu

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

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": "1483056000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1699210583",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 64442",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212644442",
            "telephone_number": "410-328-8040",
            "fax_number": "443-462-3514"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-8141",
            "fax_number": "410-328-0177"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PATTESON",
        "first_name": "SAMUEL",
        "middle_name": "A.",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-12-30",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LC0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Critical Care Medicine",
            "state": "MD",
            "license": "R235719",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MD",
            "license": "R235719",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.