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AFA MIDWIFERY, OBSTETRICS & GYNECOLOGY
NPI 1598872426
Obstetrics & Gynecology in Concord, MA

Active since August 24, 2006
131 OLD ROAD TO 9 ACRE COR STE 830, CONCORD, MA 01742(978) 371-1396(978) 371-8277 Get Directions Write a Review

NPPES record last updated: February 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Afa Midwifery, Obstetrics & Gynecology NPPES

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

AFA MIDWIFERY, OBSTETRICS & GYNECOLOGY (NPI 1598872426) is a healthcare organization registered as an obstetrics & gynecology in Concord, Massachusetts and active in the NPI registry since August 2006. The organization lists Jennifer Regan, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1598872426
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameAFA MIDWIFERY, OBSTETRICS & GYNECOLOGY
Location Address131 OLD ROAD TO 9 ACRE COR STE 830Concord, MA 01742-4191
Mailing Address131 Old Road To 9 Acre Cor Ste 830Concord, MA 01742-4191 · (978) 371-1396 · Fax (978) 371-8277
Phone(978) 371-1396
Fax(978) 371-8277
Organization SubpartNo
Authorized OfficialJennifer ReganBilling Manager · (978) 371-1396
Enumeration DateAugust 24, 2006
Last NPPES UpdateFebruary 23, 2026
NPPES CertifiedFebruary 23, 2026
✔ NPI 1598872426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MA · 78814
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.
131 OLD ROAD TO 9 ACRE COR STE 830, Concord, MA 01742
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Afa Midwifery, Obstetrics & Gynecology is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

19

Medicare enrollment records show 19 clinicians reassign Medicare billing to Afa Midwifery, Obstetrics & Gynecology, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 3

Certified Nurse Midwife (CNM)7
Obstetrics/Gynecology7
Nurse Practitioner5

Clinicians, nearest first (19)

Emily Strehle, DO
Obstetrics/Gynecology
NPI 1225347909
131 OLD ROAD TO 9 ACRE COR SUITE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts MedicareSame address
Lauren Carratu
Certified Nurse Midwife (CNM)
NPI 1780169599
131 ORNAC STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare15 mi
Erin Sienkiewicz, MD
Obstetrics/Gynecology
NPI 1073930392
131 ORNAC STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare15 mi
Vanessa Crespo, CNM
Certified Nurse Midwife (CNM)
NPI 1508575655
131 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Jordan Dewhurst, FNP-C
Nurse Practitioner
NPI 1154093391
131 OLD ROAD TO 9 ACRE COR STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Cristy Githu, CNM
Certified Nurse Midwife (CNM)
NPI 1255041729
131 OLD ROAD TO 9 ACRE COR STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Lesley Kenney, NP
Nurse Practitioner
NPI 1710963640
131 OLD ROAD TO 9 ACRE COR SUITE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Emily Krauch
Nurse Practitioner
NPI 1396362596
131 OLD ROAD TO 9 ACRE COR STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Leanna Patterson, FNP-BC, MSN, RN
Nurse Practitioner
NPI 1831708361
131 OLD ROAD TO 9 ACRE COR STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Sherriann Perivolotis, CNM
Certified Nurse Midwife (CNM)
NPI 1972838076
131 OLD ROAD TO 9 ACRE COR STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Katherine Perrone, WHNP
Nurse Practitioner
NPI 1194329052
133 OLD ROAD TO 9 ACRE COR
Concord, MA 01742
(978) 369-1400
✔ PECOS✔ Accepts Medicare16 mi
Krystina San Soucie, CNM, WHNP-BC
Certified Nurse Midwife (CNM)
NPI 1821623075
131 OLD ROAD TO 9 ACRE COR STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Stephanie Sandwich, CNM
Certified Nurse Midwife (CNM)
NPI 1053781732
131 OLD ROAD TO 9 ACRE COR SUITE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Dorothea Letner
Obstetrics/Gynecology
NPI 1669931929
131 OLD ROAD TO 9 ACRE COR STE 830
Concord, MA 01742
(978) 371-1396
✔ PECOS✔ Accepts Medicare16 mi
Laura Silk, MD
Obstetrics/Gynecology
NPI 1215945027
100 HOSPITAL RD SUITE 1B
Leominster, MA 01453
(978) 466-4550
✔ PECOS✔ Accepts Medicare24 mi
Diane Power, MD
Obstetrics/Gynecology
NPI 1114971454
50 MEMORIAL DR SUITE 205
Leominster, MA 01453
(978) 466-4550
✔ PECOS24 mi
Katherine Dertz, M.D.
Obstetrics/Gynecology
NPI 1104276021
2120 L ST NW STE 700
Washington, DC 20037
(202) 331-9293
✔ PECOS397 mi
Irene Lewnard, MD
Obstetrics/Gynecology
NPI 1952796211
9200 W WISCONSIN AVE FROEDTERT MEDICAL COLLEGE LAB BUILDING (FMCLB) 258
Milwaukee, WI 53226
(414) 805-6600
✔ PECOS✔ Accepts Medicare847 mi
Avery Fisher, CNM
Certified Nurse Midwife (CNM)
NPI 1992223283
330 MOUNT AUBURN ST
Cambridge, MA 02138
(617) 499-5151
✔ PECOS

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

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 Afa Midwifery, Obstetrics & Gynecology's NPI number?

The NPI number for Afa Midwifery, Obstetrics & Gynecology is 1598872426. It was assigned to this organization in the NPPES registry on August 24, 2006.

Where is Afa Midwifery, Obstetrics & Gynecology located?

Afa Midwifery, Obstetrics & Gynecology is located at 131 Old Road To 9 Acre Cor Ste 830, Concord, MA 01742. The listed phone number is (978) 371-1396.

What is Afa Midwifery, Obstetrics & Gynecology's specialty?

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

Is Afa Midwifery, Obstetrics & Gynecology enrolled in Medicare?

Yes. Afa Midwifery, Obstetrics & Gynecology is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Afa Midwifery, Obstetrics & Gynecology?

According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 3 Medicare specialties reassign their Medicare billing to Afa Midwifery, Obstetrics & Gynecology. A 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 the clinician's services. The largest specialties are Certified Nurse Midwife (CNM) (7), Obstetrics/Gynecology (7) and Nurse Practitioner (5). Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Afa Midwifery, Obstetrics & Gynecology accept?

Health plans from Anthem Blue Cross and Blue Shield list Afa Midwifery, Obstetrics & Gynecology 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 Afa Midwifery, Obstetrics & Gynecology was last updated on February 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.