NPIMap

Individual provider Active NPI

Sudhamshu Sirisinahal, DO

  • Internal Medicine Physician
  • Lancaster, PA
National Provider Identifier
1124382080
Registry record updated Jan 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
OS018253 Issued in PA
Practice address
555 N Duke St
Lancaster, PA 17602-2250
Phone
(717) 544-8144
Fax
(717) 544-8140
NPI assigned
Jun 26, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X OS018253 PA Primary

Addresses

Primary practice location

555 N Duke St
Lancaster, PA 17602-2250

Mailing address

555 N Duke St
Lancaster, PA 17602-2250
Phone (717) 544-8144

Other practice location 1

245 N 15th St
Philadelphia, PA 19102-1101
Phone (215) 762-7698

Other practice location 2

255 W Lancaster Ave
Paoli, PA 19301-1763
Phone (484) 565-1510

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
I20160810000431 PA Practitioner - HospitalistPractitioner - Internal Medicine 5193036572 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Tower Health Medical GroupGroup PAC ID 7618889213, 578 clinicians
Lancaster General HospitalGroup PAC ID 1254240039, 520 clinicians

Practice addresses (Care Compare)

2610 Keiser Blvd
Wyomissing, PA 19610-3333
Phone (484) 750-3950

420 S 5TH Ave
West Reading, PA 19611-2143

555 N Duke St
Lancaster, PA 17602-2250

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.71 of 100Reported as group
Quality
73.34
Promoting interoperability
97
Improvement activities
40
Cost
78.18

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Tower Health Medical Group CurrentSince Aug 8, 2016 Accepting new patients
Tower Health Medical Group Internal Medicine Current Accepting new patients
Phoenixville Clinic Company LLC CurrentSince Aug 24, 2020 Accepting new patients
Pottstown Clinic Company LLC Internal Medicine CurrentSince Aug 24, 2020 Accepting new patients
Tower Health Medical Group CurrentSince Aug 8, 2016 Accepting new patients
Phoenixville Clinic Company LLC Current Accepting new patients
Main Line Healthcare Internal Medicine CurrentSince Oct 16, 2025 Accepting new patients
Lancaster General Hospital Internal Medicine CurrentSince Sep 22, 2025 Accepting new patients
Lancaster General Hospital CurrentSince Sep 22, 2025 Accepting new patients
Chestnut Hill Clinic Company, LLC Internal Medicine CurrentSince Apr 1, 2019 Accepting new patients
Chestnut Hill Clinic Company, LLC CurrentSince Apr 1, 2019 Accepting new patients
Phoenixville Clinic Company LLC CurrentSince Aug 24, 2020 Accepting new patients
Advanced Inpatient Medicine PC CurrentSince Oct 23, 2017 Accepting new patients
Lancaster General Medical Group Past Accepting new patients
Reading Hospital Internal Medicine Past Accepting new patients

Locations

1 Hamilton Health Pl
Trenton, NJ 08690
Phone (609) 584-6763

130 S Bryn Mawr Ave
Bryn Mawr, PA 19010
Phone (484) 337-3000

601 Park St
Honesdale, PA 18431
Phone (570) 253-8100

555 N Duke St
Lancaster, PA 17602
Phone (717) 544-5945

255 W Lancaster Ave
Paoli, PA 19301
Phone (484) 337-4286

8835 Germantown Ave
Philadelphia, PA 19118
Phone (215) 248-8227

140 Nutt Rd
Phoenixville, PA 19460
Phone (610) 983-1000

1600 E High St
Pottstown, PA 19464
Phone (610) 327-7485

730 S Hanover St
Pottstown, PA 19465
Phone (610) 323-6835

201 Reeceville Rd
West Brandywine, PA 19320
Phone (215) 788-2285

301 S 7th Ave
Ste 130
West Reading, PA 19611
Phone (610) 988-4630

8200 Flourtown Ave
Ste 2
Wyndmoor, PA 19038
Phone (215) 836-5100

100 E Lancaster Ave
Wynnewood, PA 19096
Phone (484) 337-3583

2610 Keiser Blvd
Wyomissing, PA 19610
Phone (484) 628-9127

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/1606/brand/1/csg/101/fhir/r4
  • Direct secure messaging: ssirisinahal272640@direct-lghealth.org

Organizations & group practices 15

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.

View all 15

Hospital & facility affiliations 9

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": "1340668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767398400000",
    "number": "1124382080",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "555 N DUKE ST",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176022250",
            "telephone_number": "717-544-8144",
            "fax_number": "717-544-8140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "555 N DUKE ST",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176022250",
            "telephone_number": "717-544-8144",
            "fax_number": "717-544-8140"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "245 N 15th St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191021101",
            "country_code": "US",
            "telephone_number": "215-762-7698",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "255 W Lancaster Ave",
            "address_purpose": "LOCATION",
            "city": "Paoli",
            "state": "PA",
            "postal_code": "193011763",
            "country_code": "US",
            "telephone_number": "484-565-1510",
            "fax_number": "484-565-1513",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIRISINAHAL",
        "first_name": "SUDHAMSHU",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-26",
        "last_updated": "2026-01-03",
        "certification_date": "2026-01-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS018253",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lancaster, PA

Sources for this page

Verify at the official NPI Registry.