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ASHLEY ANN JACOBSON MD
NPI 1023512563
Emergency Medicine in New Haven, CT

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment
20 YORK ST, NEW HAVEN, CT 06510(203) 737-7694 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 16, 2025, Jun 30, 2021, Oct 9, 2020 and 4 more (7 updates tracked since 2018).

About Ashley Ann Jacobson Md NPPES

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

ASHLEY ANN JACOBSON MD (NPI 1023512563) is an individual emergency medicine provider in New Haven, Connecticut, licensed in Connecticut (79953) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Eau Claire, and is a graduate of Medical College Of Wisconsin (2018).

NPPES Registry Identity

NPI1023512563
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameASHLEY ANN JACOBSONCredential: MD
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address20 York StNew Haven, CT 06510-3220 · (715) 838-5222
Phone(203) 737-7694
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2018
Enumeration DateMarch 20, 2018
Last NPPES UpdateJune 16, 20257 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1023512563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CT · 79953✔ Licensed in MN · 65865✔ Licensed in MN · 29159✔ Licensed in WI · 75319
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
20 YORK ST, New Haven, CT 06510
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Secondary Practice Location 1

Location 11400 Bellinger StEau Claire, WI 54703-5222 · Phone (715) 838-5222

Accepted Insurance

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

Ashley Ann Jacobson 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 ID7911255997
PECOS Enrollment IDI20250528001325
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

3

Medicare enrollment records show Ashley Jacobson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yale University
0.4 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
Mayo Clinic Health System-Southwest Wisconsin Region, Inc.
927 mi
Critical Access
310 W MAIN ST
Sparta, WI 54656
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1629056049 (Wisconsin)
  • 336 clinicians in this Medicare group
NPI 1841278637 (608) 269-2132
Mayo Clinic Health System-Northwest Wisconsin Region, Inc.
952 mi
Critical Access
13025 8TH ST
Osseo, WI 54758
NPI 1912958026 (715) 838-5270

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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
132 services129 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
38 services38 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
30 services30 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 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
$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.

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.

AUDREY P SENIOR APRN
Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5860
DR. YEISID F FIGUEREDO M.D.
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2320
YALE NEW HAVEN HOSPITAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2046
TAYLOR KINGSTON
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-9185
DR. TRAVIS DANIEL BONTRAGER MD
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-1734
TERESA JOSEPH D.O.
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 737-8894
MR. BRAD ST. MARTIN MD
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
BERNADETTE BIMONTE-HACKETT LCSW
Social Worker (Clinical)
20 YORK ST, SOCIAL WORK EP10-635
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 785-5161

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 Ashley Jacobson's NPI number?

The NPI number for Ashley Jacobson is 1023512563. It was assigned to this individual provider in the NPPES registry on March 20, 2018.

Where is Ashley Jacobson located?

Ashley Jacobson practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 737-7694.

What is Ashley Jacobson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ashley Jacobson enrolled in Medicare?

Yes. Ashley Jacobson 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 Ashley Jacobson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Jacobson reassigns Medicare benefits to 3 organizations: Yale University (New Haven, CT), Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (Sparta, WI) and Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Osseo, WI). 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 Ashley Jacobson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Jacobson accept?

Health plans from Medica list Ashley Jacobson 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 Ashley Jacobson was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.