NPIMap

Individual provider Active NPI

John P Stelmach, M.D.

  • Orthopaedic Surgery Physician
  • Reading, PA
National Provider Identifier
1619975174
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
MD041739E Issued in PA
Practice address
11 Fairlane Rd
Reading, PA 19606-9567
Phone
(610) 779-2663
Fax
(610) 779-3367
NPI assigned
Jul 8, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X MD041739E PA Primary

Addresses

Primary practice location

11 Fairlane Rd
Reading, PA 19606-9567

Mailing address

11 Fairlane Rd
Reading, PA 19606-9567
Phone (610) 779-2663

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20100601000260 PA Practitioner - Orthopedic Surgery 9739139213 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Temple University School of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Phoenix Rehabilitation and Health Services IncGroup PAC ID 3476464298, shared by 2 NPIs, 2,775 clinicians
Keystone Rehabilitation Systems IncGroup PAC ID 7012826753, shared by 15 NPIs, 750 clinicians

Practice addresses (Care Compare)

11 Fairlane Rd
Reading, PA 19606-9567
Phone (610) 779-2663

2000 Westinghouse Dr
Suite 200
Cranberry Township, PA 16066-5238

2758 Century Blvd
Suite 2
Wyomissing, PA 19610-3358
Phone (610) 376-5646

321 N Furnace St
Birdsboro, PA 19508-2057
Phone (610) 582-2250

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement40
Knee replacement97
Lower limb (leg) arthroscopy (minimally invasive joint repair)21

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD041739EPAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Keystone Orthopaedic Specialists LLC Orthopaedic Surgery Current Accepting new patients
Keystone Orthopaedic Specialists LLC Orthopaedic Surgery CurrentSince Mar 10, 2010 Accepting new patients
Commonwealth Orthopaedic Associates, Inc. Orthopaedic Surgery PastSince Jun 8, 1994 Accepting new patients

Locations

11 Fairlane Rd
Reading, PA 19606
Phone (610) 378-8810

4920 Penn Ave
Sinking Spring, PA 19608
Phone (610) 898-0674

2758 Century Blvd
Ste 2
Wyomissing, PA 19610
Phone (610) 376-5646

Organizations & group practices 3

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 21

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

View all 21

NPI Registry JSON

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

{
    "created_epoch": "1120780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1619975174",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11 FAIRLANE RD",
            "city": "READING",
            "state": "PA",
            "postal_code": "196069567",
            "telephone_number": "610-779-2663",
            "fax_number": "610-779-3367"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11 FAIRLANE RD",
            "city": "READING",
            "state": "PA",
            "postal_code": "196069567",
            "telephone_number": "610-779-2663",
            "fax_number": "610-779-3367"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STELMACH",
        "first_name": "JOHN",
        "middle_name": "P",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-08",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "PA",
            "license": "MD041739E",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Reading, PA

Sources for this page

Verify at the official NPI Registry.