Charles-Chidi W. Obasiolu, M.D.
Reproductive Endocrinology Physician · Boston, MA
Charles-Chidi W. Obasiolu, M.D. is a reproductive endocrinology physician with a practice address in Boston, Massachusetts, and NPI 1013022078, issued on Aug 20, 2006. Check the license (Massachusetts 73931, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Charles-Chidi W. Obasiolu
- Credential
- M.D.
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- 73931 MA
Self-reported in NPPES; status is on the state search - Practice location
- Ctr For Fertility & Repro Hlth, Boston, MA 02215
- Phone
- (617) 421-2987
- Enumerated
- Aug 20, 2006
- Record last updated
- Jul 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (617) 421-2989
- Medicaid ID
- 3180468 MA
- Medicare enrollment
- Enrolled (PECOS I20080212000470); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 69 in Massachusetts → Look up another NPI →
Verify Charles-Chidi W. Obasiolu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 73931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles-Chidi W. Obasiolu among 69 reproductive endocrinology physician records in Massachusetts
Charles-Chidi W. Obasiolu, M.D. is one of 69 reproductive endocrinology physician records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.
- NPI issued2006 · 22% of these records are older, 32% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1984 · median 1989 among the 29 with a school on file
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in Massachusetts
There are 69 reproductive endocrinology physician records in Massachusetts.
All 69 in Massachusetts → Every provider in Boston → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Grace Lee, MDBoston, MA 022151508937269
- Vito Cardone, M.D.Stoneham, MA 021801285707356
- Robin Fischer, M.D.Quincy, MA 021711396810891
- Brian Berger, M.D.Quincy, MA 021691811934557
- Shruthi Mahalingaiah, M.D.Boston, MA 021181295046654
- Jeremy ApplebaumBoston, MA 021151366959116
- Janis Fox, MDBoston, MA 021151437100310
- Antonio Gargiulo, MDBoston, MA 021151255345146
Common questions
What is Charles-Chidi W. Obasiolu, M.D.'s NPI number?
Charles-Chidi W. Obasiolu, M.D.'s National Provider Identifier (NPI) is 1013022078, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles-Chidi W. Obasiolu, M.D. located?
The NPPES record lists a practice address at Ctr For Fertility & Repro Hlth, Boston, MA, 02215. Phone: (617) 421-2987. Providers update this record themselves, so call before visiting.
How can I verify Charles-Chidi W. Obasiolu, M.D.'s license?
NPPES lists Massachusetts license number 73931, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.