Active NPI
Chukwuma Christopher Mmuo, M.D
- Hospitalist Physician
- Lancaster, PA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- License
- MD449040
- Practice address
- 555 N Duke St
Lancaster
Lancaster, PA 17602-2250 - Phone
- (717) 544-5511
- Fax
- (717) 531-0648
- NPI assigned
- Jul 29, 2010
- Last updated
- Mar 27, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | MD449040 | PA | |
| Hospitalist Physician | 208M00000X | MD449040 | PA | Primary |
Addresses
Primary practice location
555 N Duke St
Lancaster
Lancaster, PA 17602-2250
Mailing address
500 University Dr
Hershey
Hershey, PA 17033-2360
Phone (800) 243-1455
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 102852100 | Medicaid | PA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pinnacle Health Medical Services | Current | Accepting new patients | |
| Pinnacle Health Medical Services | Current | Accepting new patients | |
| Nason Physician Practices LLC | Current | Accepting new patients | |
| Dell Children's Medical Group | Pediatrics | Current | Accepting new patients |
| Nason Physician Practices LLC | Pediatrics | Current | Accepting new patients |
| Nason Physician Practices LLC | Current | Accepting new patients | |
| Pinnacle Health Medical Services | Pediatrics | Current | Accepting new patients |
| Ascension Seton | Past | Accepting new patients | |
| Upmc Pinnacle Hospitals | Past | Accepting new patients | |
| Ascension Seton | Past | Accepting new patients |
Locations
2501 N 3rd St
Fl 2
Harrisburg, PA 17110
Phone (717) 782-2100
104 Hillcrest Dr
Roaring Spring, PA 16673
Phone (814) 224-5455
105 Hillcrest Dr
Roaring Spring, PA 16673
Phone (814) 224-2555
1301 Barbara Jordan Blvd
Ste 200
Austin, TX 78723
Phone (512) 628-1800
4900 Mueller Blvd
Austin, TX 78723
Phone (512) 324-0165
1000 Hesters Crossing Rd
Round Rock, TX 78681
Phone (512) 628-1800
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.
-
dba Nason OBGYN
- Obstetrics & Gynecology Physician
- Roaring Spring, PA
- NPI 1306236609
-
- Pediatrics Physician
- Austin, TX
- NPI 1326072943
-
dba Nason Pediatrices
- Pediatrics Physician
- Roaring Spring, PA
- NPI 1326439803
-
dba Nason Physician Practice-ER
- Emergency Medicine Physician
- Roaring Spring, PA
- NPI 1346752284
-
dba UPMC Primary Care-Homewood
- Internal Medicine Physician
- Hanover, PA
- NPI 1003391418
-
dba UPMC Gastroenterology Associates of Central PA
- Gastroenterology Physician
- Mechanicsburg, PA
- NPI 1295552073
-
- General Acute Care Hospital
- Harrisburg, PA
- NPI 1407813603
-
dba Ascension Seton Medical Center Austin
- General Acute Care Hospital
- Austin, TX
- NPI 1164526786
-
dba Dell Children's Medical CNTR North
- Children's Hospital
- Austin, TX
- NPI 1447355771
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1280361600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774569600000",
"number": "1033423298",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "500 UNIVERSITY DR",
"address_2": "HERSHEY",
"city": "HERSHEY",
"state": "PA",
"postal_code": "170332360",
"telephone_number": "800-243-1455"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "555 N DUKE ST",
"address_2": "LANCASTER",
"city": "LANCASTER",
"state": "PA",
"postal_code": "176022250",
"telephone_number": "717-544-5511",
"fax_number": "717-531-0648"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MMUO",
"first_name": "CHUKWUMA",
"middle_name": "CHRISTOPHER",
"name_prefix": "Dr.",
"credential": "M.D",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2010-07-29",
"last_updated": "2026-03-27",
"certification_date": "2026-03-27",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "PA",
"license": "MD449040",
"primary": false
},
{
"code": "208M00000X",
"taxonomy_group": "",
"desc": "Hospitalist",
"state": "PA",
"license": "MD449040",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "102852100",
"state": "PA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Lancaster, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 27, 2026; 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.