DR. DIANE S MORGENTHALER (MD) – Internal Medicine Physician, NPI 1578708111

DR. DIANE S MORGENTHALER (MD) is a healthcare provider. based in New haven, Connecticut. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 033164 (CT). The NPI Number for DR. DIANE S MORGENTHALER (MD) is 1578708111

Main info

Female
Sole Proprietor
38 Years Of Experience
Accepts Medicare Assignment
Name
DR. DIANE S MORGENTHALER (MD)
NPI
1578708111
Phone
(203) 392-6300
Address
501 CRESCENT ST
Enumeration Date
11 December 2008
Last Update Date
16 January 2025

Doctor Profile

Medical School Name
MEDICAL COLLEGE OF PENNSYLVANIA
Secondary Phone
8603128014
Graduation Year
1988 (38 years ago)
PAC ID
8921447269
Group Practice PAC ID
8628295599
Professional Enrollment ID
I20240418003167
Address ID
CT063391128LE75XXX2XXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience58
Completeness75
Years active:17State licenses:1Digital endpointsOther names

3,448 INTERNAL MEDICINE in CT

Loading map...

Provider Addresses for DR. DIANE S MORGENTHALER (MD)

  • Southern Connecticut State University, 501, Crescent Street, Beaver Hills, New Haven, New Haven County, Connecticut, 06515, United States

    GRANOFF HEALTH CENTER

    NEW HAVEN, CT 065151330

    Phone: (203) 392-6300

    Fax: (203) 392-6301

    Type: Mailing

  • 75 NORWICH WESTERLY RD

    LEDYARD, CT 063391128

    Phone: (860) 312-8000

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $213.

Total Amount is formed as General ($213) + Research ($0) + Ownership ($0) = $213.

Last reported payment date: 2023-08-02 • Largest payer in this snapshot: Gilead Sciences, Inc. ($213).

Total Amount

$213

General + Research + Ownership

Payments

2

Total payment records

General Amount

$213

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-08-02

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Gilead Sciences, Inc.$213
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-04-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20240418003167IInternal MedicineTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 06515)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8628295599View full group profile
NameSpecialtyState
Certified Clinical Nurse Specialist (Cns)CT
Nurse PractitionerCT

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the registry number for DR. DIANE S MORGENTHALER (MD)?
The registry entry for DR. DIANE S MORGENTHALER (MD) shows NPI 1578708111.
Is DR. DIANE S MORGENTHALER (MD) currently accepting referrals based on NPI status?
Registry metadata lists DR. DIANE S MORGENTHALER (MD) as active.
What type of care does DR. DIANE S MORGENTHALER (MD) provide?
DR. DIANE S MORGENTHALER (MD)'s profile centers on Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Which community is linked to DR. DIANE S MORGENTHALER (MD)?
DR. DIANE S MORGENTHALER (MD) shows a connection to New Haven, Connecticut in registry-derived data.
Who maintains DR. DIANE S MORGENTHALER (MD)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

Similar Providers

BHUPESH MANGLA (MD)

Internal Medicine Physician
Mill Hill Avenue, Historic East Side, Bridgeport, Fairfield County, Connecticut, 06610, United States
NPI: 1649272949

MRS. SUJATA PRASAD (M.D.)

Internal Medicine Physician
Chapel Street, Edgewood, New Haven, New Haven County, Connecticut, 06515, United States
NPI: 1366444671

EDWARD FRANCOIS (M.D.)

Hospitalist Physician
Yale New Haven Hospital, 20, York Street, Downtown, New Haven, New Haven County, Connecticut, 06510, United States
NPI: 1598761546

ADEDAYO ADETOLA (M.D.)

Internal Medicine Physician
1453, Whalley Avenue, Amity, West Hills, New Haven, New Haven County, Connecticut, 06525, United States
NPI: 1861498685

LYNNE HILLIS (M.D.)

Internal Medicine Physician
1453, Whalley Avenue, Amity, West Hills, New Haven, New Haven County, Connecticut, 06525, United States
NPI: 1558367359

GABRIELA BALF (MD, MPH)

Psychiatry Physician
Birchwood Drive, Mount Carmel Center, Hamden, New Haven County, Connecticut, 06518, United States
NPI: 1124024724

DR. CHRISTOPHER JEFFREY MORREN (M.D.)

Internal Medicine Physician
276, Montauk Avenue, Downtown New London Historic District, Downtown New London, New London, New London County, Connecticut, 06320, United States
NPI: 1811994957

CAROLA MARTE (MD)

Internal Medicine Physician
Yale New Haven Hospital Saint Raphael Campus, 1450, Chapel Street, Dwight Street Historic District, New Haven, New Haven County, Connecticut, 06511, United States
NPI: 1003813155