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CHARLES-CHIDI W OBASIOLU M.D.
NPI 1013022078
Obstetrics & Gynecology - Reproductive Endocrinology in Boston, MA

Active since August 20, 2006PECOS EnrolledAccepts Medicare Assignment
CTR FOR FERTILITY & REPRO HLTH, 133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-2987(617) 421-2989 Get Directions Write a Review

NPPES record last updated: July 7, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Charles-chidi W Obasiolu M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHARLES-CHIDI W OBASIOLU M.D. (NPI 1013022078) is an individual reproductive endocrinology provider in Boston, Massachusetts, licensed in Massachusetts (73931) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Utah School Of Medicine (1984).

NPPES Registry Identity

NPI1013022078
Entity TypeIndividualMale
Primary Taxonomy207VE0102X
Provider Legal NameCHARLES-CHIDI W OBASIOLUCredential: M.D.
Location AddressCTR FOR FERTILITY & REPRO HLTH, 133 BROOKLINE AVEBoston, MA 02215
Mailing Address147 Milk St Fl 9, Provider EnrollmentBoston, MA 02109-4806 · (617) 421-6540
Phone(617) 421-2987
Fax(617) 421-2989
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 1984
Enumeration DateAugust 20, 2006
Last NPPES UpdateJuly 7, 2011
✔ NPI 1013022078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Reproductive EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code207VE0102X
License✔ Licensed in MA · 73931
Definition
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License 73931 (MA)
CTR FOR FERTILITY & REPRO HLTH, Boston, MA 02215
Open in Google Maps ↗

Other Identifiers 2

Medicaid3180468MA
Medicare PINDX8580MA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charles-chidi W Obasiolu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224111364
PECOS Enrollment IDI20080212000470
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Charles-chidi Obasiolu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Atrius Health, Inc.
0.2 mi
Internal Medicine
133 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,317 clinicians in this Medicare group
NPI 1871639914 (617) 421-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830
An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.
12 services12 patients
Complete ultrasound scan of pelvis 76856
A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles-chidi Obasiolu's NPI number?

The NPI number for Charles-chidi Obasiolu is 1013022078. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Where is Charles-chidi Obasiolu located?

Charles-chidi Obasiolu practices at Ctr For Fertility & Repro Hlth 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-2987.

What is Charles-chidi Obasiolu's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

Is Charles-chidi Obasiolu enrolled in Medicare?

Yes. Charles-chidi Obasiolu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Charles-chidi Obasiolu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles-chidi Obasiolu reassigns Medicare benefits to Atrius Health, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles-chidi Obasiolu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles-chidi Obasiolu was last updated on July 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.