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ALEXANDRA MUHLHAUSER MCPENCOW MD
NPI 1083872329
Obstetrics & Gynecology in New Haven, CT

Active since May 22, 2008PECOS EnrolledAccepts Medicare Assignment
1450 CHAPEL ST, NEW HAVEN, CT 06511(203) 789-3151(203) 789-3786 Get Directions Write a Review

NPPES record last updated: February 4, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Alexandra Muhlhauser Mcpencow Md NPPES

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

ALEXANDRA MUHLHAUSER MCPENCOW MD (NPI 1083872329) is an individual obstetrics & gynecology provider in New Haven, Connecticut, licensed in Connecticut (49454) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2007).

NPPES Registry Identity

NPI1083872329
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameALEXANDRA MUHLHAUSER MCPENCOWCredential: MD
Location Address1450 CHAPEL STNew Haven, CT 06511-4405
Mailing Address310 Cedar St, Fmb 329aNew Haven, CT 06510-3218 · (203) 785-6927 · Fax (203) 785-2909
Phone(203) 789-3151
Fax(203) 789-3786
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2007
Enumeration DateMay 22, 2008
Last NPPES UpdateFebruary 4, 2022
✔ NPI 1083872329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CT · 49454✔ Licensed in CA · A105650
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.
1450 CHAPEL ST, New Haven, CT 06511
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente.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

Alexandra Muhlhauser Mcpencow Md 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 ID8921272204
PECOS Enrollment IDI20140806001175
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 Alexandra Mcpencow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sapphire At Gresham Rehab, LLC
2,468 mi
Skilled Nursing Facility
405 NE 5TH ST
Gresham, OR 97030
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Medicare enrollment name: Kaiser Foundation Health Plan Of The Northwest
  • Also billed through NPI 1609171081 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1033740899 (503) 666-5600

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 06511 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
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 20

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

ARTHUR H KNOWLTON MD
Radiology (Therapeutic Radiology)
1450 CHAPEL ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 789-3131
CAROLA MARTE MD
Internal Medicine
1450 CHAPEL ST, HAELEN CENTER
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 789-4135
CHARLES WILLIAM JONES JR. PHARMD, BCPS
Pharmacist (Pharmacotherapy)
1450 CHAPEL ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 789-6267
ANDREA LOWE PAC
Physician Assistant
1450 CHAPEL ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 789-3464
KATHERINE ADAMS
Speech-Language Pathologist
1450 CHAPEL ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (475) 246-6982
J E FREDRIK ZETTERBERG MD
Radiology (Diagnostic Radiology)
1450 CHAPEL ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 789-3124
SARAH ROSE ROCKS PA
Physician Assistant (Medical)
1450 CHAPEL ST
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 680-6185
DR. JULIE ROTHSTEIN ROSENBAUM MD
Internal Medicine
1450 CHAPEL ST, ADULT PRIMARY CARE CENTER
NEW HAVEN, CT 06511
South Central Connecticut Planning Region (203) 789-4044

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 Alexandra Mcpencow's NPI number?

The NPI number for Alexandra Mcpencow is 1083872329. It was assigned to this individual provider in the NPPES registry on May 22, 2008.

Where is Alexandra Mcpencow located?

Alexandra Mcpencow practices at 1450 Chapel St, New Haven, CT 06511. The listed phone number is (203) 789-3151.

What is Alexandra Mcpencow's specialty?

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

Is Alexandra Mcpencow enrolled in Medicare?

Yes. Alexandra Mcpencow 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 Alexandra Mcpencow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Mcpencow reassigns Medicare benefits to Sapphire At Gresham Rehab, LLC (Gresham, OR). 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 Alexandra Mcpencow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Mcpencow accept?

Health plans from Kaiser Permanente list Alexandra Mcpencow 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 Alexandra Mcpencow was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.