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DR. MATILDA NANA AMBA HAGAN M.D
NPI 1346417912
Internal Medicine in New Haven, CT

Active since May 13, 2008PECOS EnrolledAccepts Medicare Assignment
90.02/100
CMS Quality Rating
20 YORK ST, CB- 2041, NEW HAVEN, CT 06510(203) 688-4748(203) 688-4740 Get Directions Write a Review

NPPES record last updated: September 8, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Matilda Nana Amba Hagan M.d NPPES

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

DR. MATILDA NANA AMBA HAGAN M.D (NPI 1346417912) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (048810) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of University Of Maryland School Of Medicine (2007).

NPPES Registry Identity

NPI1346417912
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MATILDA NANA AMBA HAGANCredential: M.D
Location Address20 YORK ST, CB- 2041New Haven, CT 06510-3220
Mailing Address20 York St, Cb-2041New Haven, CT 06510-3220 · (203) 688-4748 · Fax (203) 688-4740
Phone(203) 688-4748
Fax(203) 688-4740
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 2007
Enumeration DateMay 13, 2008
Last NPPES UpdateSeptember 8, 2010
✔ NPI 1346417912 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 048810
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 ListedHospitalistTaxonomy 208M00000X · License 048810 (CT)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
20 YORK ST, New Haven, CT 06510
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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

Dr. Matilda Nana Amba Hagan 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 ID1759575947
PECOS Enrollment IDI20141114001795
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 Matilda Hagan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lutherville Hematology And Oncology Services
234 mi
Hematology & Oncology
1734 YORK ROAD, LUTHERVILLE HEMATOLOGY AND ONCOLOGY SERVICES
Lutherville, MD 21093
  • Reassigned Medicare billing, Maryland enrollment
  • 22 clinicians in this Medicare group
NPI 1538454228 (410) 494-9099
St. Paul Place Specialists , Inc.
237 mi
Advanced Practice Midwife
3501 ST. PAUL STREET, SUITE 143
Baltimore, MD 21218
  • Reassigned Medicare billing, Maryland enrollment
  • 423 clinicians in this Medicare group
NPI 1700199783 (410) 235-0506
Anne Arundel Digestive Center
245 mi
Clinic/Center
8028 RITCHIE HIGHWAY, SUITE 142
Pasadena, MD 21122
  • Reassigned Medicare billing, Maryland enrollment
  • 6 clinicians in this Medicare group
NPI 1740387257 (410) 766-1012

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 13

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
129 services92 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
99 services98 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
92 services92 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
76 services64 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
52 services52 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210008
Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County
Emergency services Birthing friendly

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
$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.

90.02/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.86
Promoting Interoperability100
Improvement Activities40

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 Matilda Hagan's NPI number?

The NPI number for Matilda Hagan is 1346417912. It was assigned to this individual provider in the NPPES registry on May 13, 2008.

Where is Matilda Hagan located?

Matilda Hagan practices at 20 York St Cb- 2041, New Haven, CT 06510. The listed phone number is (203) 688-4748.

What is Matilda Hagan's specialty?

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

Is Matilda Hagan enrolled in Medicare?

Yes. Matilda Hagan 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 Matilda Hagan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matilda Hagan reassigns Medicare benefits to 3 organizations: Lutherville Hematology And Oncology Services (Lutherville, MD), St. Paul Place Specialists , Inc. (Baltimore, MD) and Anne Arundel Digestive Center (Pasadena, MD). 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 Matilda Hagan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Matilda Hagan affiliated with any hospitals?

According to CMS data, Matilda Hagan is affiliated with Mercy Medical Center Inc.

When was this NPI record last updated?

The NPPES record for Matilda Hagan was last updated on September 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.