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BARTELS, POWALSKI & WEISSMAN, MD PC
NPI 1326060369
Obstetrics & Gynecology in Kenmore, NY

Active since July 25, 2006CLIA 33D0856012 · Microscopy
3834 DELAWARE AVE, KENMORE, NY 14217(716) 877-1221(716) 218-2721 Get Directions Write a Review

NPPES record last updated: July 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 21, 2023, Aug 22, 2020 (2 updates tracked since 2020).

About Bartels, Powalski & Weissman, Md Pc NPPES

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

BARTELS, POWALSKI & WEISSMAN, MD PC (NPI 1326060369), doing business as Bartels Powalski Weissman Md, is a healthcare organization registered as an obstetrics & gynecology in Kenmore, New York and active in the NPI registry since July 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Barbara Stoiber, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1326060369
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameBARTELS, POWALSKI & WEISSMAN, MD PC
Location Address3834 DELAWARE AVEKenmore, NY 14217-1039
Mailing Address3834 Delaware AveKenmore, NY 14217-1039 · (716) 877-1221 · Fax (716) 218-2721
Phone(716) 877-1221
Fax(716) 218-2721
Organization SubpartNo
Authorized OfficialBarbara StoiberPractice Manager · (716) 206-0692
Enumeration DateJuly 25, 2006
Last NPPES UpdateJuly 29, 20252 updates tracked since enumeration
NPPES CertifiedJuly 29, 2025
✔ NPI 1326060369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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.
3834 DELAWARE AVE, Kenmore, NY 14217
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Other Names 1

Former Legal Business NameBartels Powalski Weissman Md

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Bartels, Powalski & Weissman, Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Bartels, Powalski & Weissman, MD PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Robert Powalski, MD
Obstetrics/Gynecology
NPI 1134160872
3834 DELAWARE AVE
Kenmore, NY 14217
(716) 877-1221
✔ PECOSSame address
Edward Bartels, MD
Obstetrics/Gynecology
NPI 1538100755
1430 COLVIN BLVD
Buffalo, NY 14223
(716) 877-1221
✔ PECOS1.0 mi
Helen Murphy, NP
Nurse Practitioner
NPI 1861536039
1360 N FOREST RD STE 102
Williamsville, NY 14221
(716) 639-4034
✔ PECOS5.8 mi
Kathryn Mye, NP
Nurse Practitioner
NPI 1821585274
30 N UNION RD STE 101
Williamsville, NY 14221
(716) 633-6363
✔ PECOS✔ Accepts Medicare6.2 mi
Kristen Kloosterman, NP
Nurse Practitioner
NPI 1952563363
920 UNION RD
West Seneca, NY 14224
(716) 242-8240
✔ PECOS13 mi
Rachel Weselak, MD
Obstetrics/Gynecology
NPI 1598905390
5300 MILITARY RD
Lewiston, NY 14092
(716) 298-2224
✔ PECOS✔ Accepts Medicare14 mi
Sarah Schmitz, MD
Obstetrics/Gynecology
NPI 1528471414
5959 CENTRAL AVE STE 103
St Petersburg, FL 33710
(727) 767-6060
✔ PECOS✔ Accepts Medicare1,071 mi
Mark Weissman, MD
Obstetrics/Gynecology
NPI 1003875691
3325 BECK BOULEVARD SUITE 721
Naples, FL 34114
(716) 861-0055
✔ PECOS1,171 mi

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

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) 33D0856012

Bartels,powalski,weissman MD PC · Kenmore, NY
Active · expires Aug 31, 2028
CLIA Number33D0856012
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorEdward K. Bartels
Laboratory Phone(716) 877-1221
Laboratory LocationBartels,powalski,weissman MD PC3834 Delaware Avenue, Kenmore, NY 14217
CLIA data matches this NPI record on: Address 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.

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 Bartels, Powalski & Weissman, MD PC's NPI number?

The NPI number for Bartels, Powalski & Weissman, MD PC is 1326060369. It was assigned to this organization in the NPPES registry on July 25, 2006. The provider was formerly known as Bartels Powalski Weissman MD.

Where is Bartels, Powalski & Weissman, MD PC located?

Bartels, Powalski & Weissman, MD PC is located at 3834 Delaware Ave, Kenmore, NY 14217. The listed phone number is (716) 877-1221.

What is Bartels, Powalski & Weissman, MD PC's specialty?

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

Is Bartels, Powalski & Weissman, MD PC enrolled in Medicare?

Yes. Bartels, Powalski & Weissman, MD PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Bartels, Powalski & Weissman, MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to Bartels, Powalski & Weissman, MD PC. 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 Obstetrics/Gynecology (5) and Nurse Practitioner (3). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Bartels, Powalski & Weissman, MD PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 33D0856012) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Bartels, Powalski & Weissman, MD PC was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.