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DR. BARBARA F RASSOW DC CNM
NPI 1699893958
Advanced Practice Midwife in Westport, CT

Active since March 26, 2007PECOS EnrolledAccepts Medicare AssignmentCLIA 07D2096337 · Microscopy
225 MAIN ST, SUITE 204, WESTPORT, CT 06880(203) 226-7722 Get Directions Write a Review

NPPES record last updated: December 23, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Barbara F Rassow Dc Cnm NPPES

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

DR. BARBARA F RASSOW DC CNM (NPI 1699893958) is an individual advanced practice midwife in Westport, Connecticut, licensed in Connecticut (000304) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through May 20, 2027, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1699893958
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameDR. BARBARA F RASSOWCredential: DC CNM
Location Address225 MAIN ST, SUITE 204Westport, CT 06880-3216
Mailing Address225 Main St, Suite 204Westport, CT 06880-3216 · (203) 226-7722
Phone(203) 226-7722
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateMarch 26, 2007
Last NPPES UpdateDecember 23, 2010
✔ NPI 1699893958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
Licenses✔ Licensed in CT · 000304✔ Licensed in NY · F001279-1
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
Also ListedChiropractor · NutritionTaxonomy 111NN1001X · License 000454 (CT)
225 MAIN ST, Westport, CT 06880
Open in Google Maps ↗

Other Identifiers 2

Other001279NY · License#
Medicare UPINT22943CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Barbara F Rassow Dc Cnm 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 ID8123119070
PECOS Enrollment IDI20070807000097
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 07D2096337

Barbara Rassow, Cnm, LLC · Westport, CT
Active · expires May 20, 2027
CLIA Number07D2096337
Laboratory TypePractitioner Other
Certificate Effective DateMay 21, 2025
Certificate Expiration DateMay 20, 2027
Laboratory DirectorBarbara F. Rassow Cnm
Laboratory Phone(203) 226-7722
Laboratory LocationBarbara Rassow, Cnm, LLC9 Grist Mill Ln, Westport, CT 06880
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
105 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06880 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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 13

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

LADAN HAMD, MD LLC
Psychiatry & Neurology (Psychiatry)
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 513-2642
DR. MARK S ROISMAN D.M.D.
Dentist
225 MAIN ST, SUITE #304
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 227-6338
REJUVENATING FERTILITY CENTER PLLC
Obstetrics & Gynecology (Reproductive Endocrinology)
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (718) 801-9153
DR. ANNA PANKRATOV MD
Internal Medicine
225 MAIN ST, SUITE 101
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 222-0902
KANTOR AND RASSOW PARTNERSHIP
Chiropractor
225 MAIN ST, SUITE 204
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 226-7722
MRS. TREVOR CROW MA, MFT
Marriage & Family Therapist
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 221-1155
DR. JONATHAN S KANTOR DC
Chiropractor (Rehabilitation)
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 226-7722
DR. WARREN RICHARD STEINBERG MD
Internal Medicine
225 MAIN ST
WESTPORT, CT 06880
Western Connecticut Planning Region (203) 222-9533

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 Barbara Rassow's NPI number?

The NPI number for Barbara Rassow is 1699893958. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Where is Barbara Rassow located?

Barbara Rassow practices at 225 Main St Suite 204, Westport, CT 06880. The listed phone number is (203) 226-7722.

What is Barbara Rassow's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Barbara Rassow enrolled in Medicare?

Yes. Barbara Rassow 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.

Does Barbara Rassow hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 07D2096337) is associated with this NPI, valid through May 20, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Barbara Rassow was last updated on December 23, 2010. 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.