Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Harrietta Christodoulos, DO
Pediatrics Physician in Lansing, MI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033111653
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Registry record
Entity type Individual (Type 1)
Name Harrietta Christodoulos
Credential DO
Sex Female
Practice address 1200 E Michigan Ave Ste 145, Lansing, MI, 48912
Phone (517) 364-5440
Fax (517) 364-5409
Enumeration date Aug 12, 2005
Last updated in NPPES Mar 15, 2023
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 5101015544 (MI) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Harrietta Christodoulos?
Harrietta Christodoulos is registered in NPPES with the primary taxonomy of Pediatrics Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Abdalla Abdalla-Ali Pediatrics Physician · Lansing, MI NPI 1134101074 Olga Napolova Pediatrics Physician · Lansing, MI NPI 1518978345 Maria Patterson Pediatric Infectious Diseases Physician · Lansing, MI NPI 1568564813 Catherine Benitez Pediatrics Physician · Lansing, MI NPI 1487732186 Denny Martin Obstetrics & Gynecology Physician · Lansing, MI NPI 1902936156 Shawn Jobe Pediatric Hematology & Oncology Physician · Lansing, MI NPI 1801005855 David Cervi Pediatric Hematology & Oncology Physician · Lansing, MI NPI 1013256825 Steven Edwards Social Worker · Lansing, MI NPI 1710386826
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-15.