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DR. ZAKERA NANABAWA M.D.
NPI 1336370188
Obstetrics & Gynecology in Rockford, IL

Active since July 28, 2009PECOS EnrolledAccepts Medicare Assignment
1200 W STATE ST, ROCKFORD, IL 61102(815) 490-1600(989) 583-1881 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 3, 2026, Sep 4, 2025, Jan 22, 2021 and 1 more (4 updates tracked since 2019).

About Dr. Zakera Nanabawa M.d. NPPES

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

DR. ZAKERA NANABAWA M.D. (NPI 1336370188) is an individual obstetrics & gynecology provider in Rockford, Illinois, licensed in Illinois (336094781) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1336370188
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ZAKERA NANABAWACredential: M.D.
Location Address1200 W STATE STRockford, IL 61102-2112
Mailing Address1200 W State StRockford, IL 61102-2112 · (815) 490-1600 · Fax (989) 583-1881
Phone(815) 490-1600
Fax(989) 583-1881
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJuly 28, 2009
Last NPPES UpdateMarch 3, 20264 updates tracked since enumeration
NPPES CertifiedMarch 3, 2026
✔ NPI 1336370188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in IL · 336094781✔ Licensed in MO · 2025034553✔ Licensed in MI · 4301092954
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1200 W STATE ST, Rockford, IL 61102
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11000 E Primrose St Ste 270Springfield, MO 65807-5177 · Phone (417) 882-6900
Location 21000 E Primrose St Ste 400Springfield, MO 65807-5179 · Phone (000) 000-0000
Location 31000 E Primrose St Ste 210Springfield, MO 65807-5154 · Phone (417) 269-6850

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Cigna HealthCare of Arizona, Inc, Cox HealthPlans and more.Insurance ›

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

Dr. Zakera Nanabawa 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 ID6002048196
PECOS Enrollment IDI20250902002568
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 Reassignments

9

Medicare enrollment records show Zakera Nanabawa reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obhg Illinois Sc
74 mi
Obstetrics & Gynecology
3249 OAK PARK AVE
Berwyn, IL 60402
  • Reassigned Medicare billing, Illinois enrollment
  • 219 clinicians in this Medicare group
NPI 1700107216 (800) 967-2289
Lester E Cox Medical Centers
379 mi
General Practice
700 GIESLER RD
Osceola, MO 64776
  • Reassigned Medicare billing, Missouri enrollment
  • 239 clinicians in this Medicare group
NPI 1578896346 (417) 875-3000
Obhg Missouri, PC
413 mi
Obstetrics & Gynecology
1423 N JEFFERSON AVE
Springfield, MO 65802
  • Reassigned Medicare billing, Missouri enrollment
  • 41 clinicians in this Medicare group
NPI 1154672095 (800) 967-2289
Lester E Cox Medical Centers
418 mi
Obstetrics & Gynecology
1000 E PRIMROSE ST STE 210
Springfield, MO 65807
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1437543055 (Missouri)
  • 21 clinicians in this Medicare group
NPI 1043386774 (417) 269-6850
Obhg California, P.C.
628 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289
Obhg Arizona, P.C.
1,385 mi
Obstetrics & Gynecology
1955 W FRYE RD
Chandler, AZ 85224
  • Reassigned Medicare billing, Arizona enrollment
  • Medicare enrollment name: Obhg Arizona PC
  • 98 clinicians in this Medicare group
NPI 1902188642 (864) 908-3530
Samuel Mahelona Memorial Hospital
4,220 mi
Specialist
4800 KAWAIHAU RD
Kapaa, HI 96746
  • Reassigned Medicare billing, Hawaii enrollment
  • 66 clinicians in this Medicare group
NPI 1346419553 (808) 822-4961
Kauai Veterans Memorial Hospital
4,243 mi
Specialist
4643 WAIMEA CANYON DRIVE
Waimea, HI 96796
  • Reassigned Medicare billing, Hawaii enrollment
  • 94 clinicians in this Medicare group
NPI 1467620328 (808) 338-9431
Commonwealth Healthcare Corporation
7,166 mi
End-Stage Renal Disease (ESRD) Treatment
1 LOWER NAVY HILL ROAD
Saipan, MP 96950
  • Reassigned Medicare billing, Northern Mariana Islands enrollment
  • 200 clinicians in this Medicare group
NPI 1285858290 (670) 234-8950

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61102 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARYN ANN RUZIC APRN
Nurse Practitioner (Family)
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600
DR. JOHN WALL MD
Family Medicine
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600
DR. ADEKOLA ABIOUDUN ASHAYE MD
Internal Medicine
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600
DR. GARY PATRICK FERNANDO MD
Pediatrics
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600
CRISTINA DIVENTI LSW
Social Worker
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600
CORNITA CANNON M.D.
Obstetrics & Gynecology
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600
LAURA PEREZ CNM, APRN
Advanced Practice Midwife
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600
KERIN CUMMINS APN
Nurse Practitioner (Family)
1200 W STATE ST
ROCKFORD, IL 61102
Winnebago County (815) 490-1600

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 Zakera Nanabawa's NPI number?

The NPI number for Zakera Nanabawa is 1336370188. It was assigned to this individual provider in the NPPES registry on July 28, 2009.

Where is Zakera Nanabawa located?

Zakera Nanabawa practices at 1200 W State St, Rockford, IL 61102. The listed phone number is (815) 490-1600.

What is Zakera Nanabawa's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Zakera Nanabawa enrolled in Medicare?

Yes. Zakera Nanabawa 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 organizations bill Medicare for Zakera Nanabawa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zakera Nanabawa reassigns Medicare benefits to 9 organizations: Obhg Illinois Sc (Berwyn, IL), Lester E Cox Medical Centers (Osceola, MO), Obhg Missouri, PC (Springfield, MO), Lester E Cox Medical Centers (Springfield, MO), Obhg California, P.C. (Greenville, SC) and 4 more organizations, listed in the Medicare section above. Each 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 Zakera Nanabawa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zakera Nanabawa accept?

Health plans from Anthem Blue Cross and Blue Shield, Cigna HealthCare of Arizona, Inc, Cox HealthPlans, Oscar Health Plan, Inc. and Oscar Insurance Company list Zakera Nanabawa as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Zakera Nanabawa was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.