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ANNA ZIMMERMAN M.D.
NPI 1942689682
Internal Medicine in West Haven, CT

Active since May 27, 2015PECOS EnrolledAccepts Medicare Assignment
73.56/100
CMS Quality Rating
950 CAMPBELL AVE STE 11, WEST HAVEN, CT 06516(203) 932-5711 Get Directions Write a Review

NPPES record last updated: June 19, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Anna Zimmerman M.d. NPPES

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

ANNA ZIMMERMAN M.D. (NPI 1942689682) is an individual internal medicine provider in West Haven, Connecticut, licensed in Connecticut (60300) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in New Haven, and is a graduate of University Of Massachusetts Medical School (2015).

NPPES Registry Identity

NPI1942689682
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameANNA ZIMMERMANCredential: M.D.
Location Address950 CAMPBELL AVE STE 11West Haven, CT 06516-2770
Mailing Address607 Chapel St Apt DNew Haven, CT 06511-7054
Phone(203) 932-5711
Sole ProprietorYes
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2015
Enumeration DateMay 27, 2015
Last NPPES UpdateJune 19, 2019
✔ NPI 1942689682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 60300
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
950 CAMPBELL AVE STE 11, West Haven, CT 06516
Open in Google Maps ↗

Secondary Practice Location 1

Location 11450 Chapel St Fl 2, YNHH PCC, St Raphael CampusNew Haven, CT 06511 · Phone (203) 789-4044

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, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anna Zimmerman 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 ID2567774201
PECOS Enrollment IDI20180710002209
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

2

Medicare enrollment records show Anna Zimmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cornell Scott Hill Health Corporation
1.5 mi
Federally Qualified Health Center (FQHC)
400-428 COLUMBUS AVENUE
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 468 clinicians in this Medicare group
NPI 1902921380 (203) 503-3000
Yale University
1.9 mi
Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
NPI 1124148887 (203) 737-5432

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

Areas of Expertise CMS Part B claims 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
32 services18 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06516 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
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.84
Promoting Interoperability74
Improvement Activities40
Cost51.43

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 Anna Zimmerman's NPI number?

The NPI number for Anna Zimmerman is 1942689682. It was assigned to this individual provider in the NPPES registry on May 27, 2015.

Where is Anna Zimmerman located?

Anna Zimmerman practices at 950 Campbell Ave Ste 11, West Haven, CT 06516. The listed phone number is (203) 932-5711.

What is Anna Zimmerman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Anna Zimmerman enrolled in Medicare?

Yes. Anna Zimmerman 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 Anna Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna Zimmerman reassigns Medicare benefits to 2 organizations: Cornell Scott Hill Health Corporation (New Haven, CT) and Yale University (New Haven, CT). 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 Anna Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anna Zimmerman accept?

Health plans from Anthem Blue Cross and Blue Shield list Anna Zimmerman 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 Anna Zimmerman was last updated on June 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.