JANSON JACOB (MD) – Gastroenterology Physician, NPI 1629638614

JANSON JACOB (MD) is a healthcare provider. based in Ann arbor, Michigan. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. 4351044320 (MI). The NPI Number for JANSON JACOB (MD) is 1629638614

Main info

Male
7 Years Of Experience
Accepts Medicare Assignment
Name
JANSON JACOB (MD)
NPI
1629638614
Phone
Not provided
Address
1500 E MEDICAL CENTER DR # TC3116
Enumeration Date
20 June 2019
Last Update Date
12 June 2025

Doctor Profile

Medical School Name
PENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
7178694600
Graduation Year
2019 (7 years ago)
PAC ID
6204162233
Group Practice PAC ID
4688575434
Professional Enrollment ID
I20241214000514
Address ID
PA176012644LA2112XPIKE306
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience50
Completeness85
Years active:6State licenses:2Digital endpointsOther names

7,218 INTERNAL MEDICINE in MI

Loading map...

Provider Addresses for JANSON JACOB (MD)

  • 1500 E MEDICAL CENTER DR # TC3116

    ANN ARBOR, MI 481095000

    Phone:

    Type: Mailing

  • VA Ann Arbor Healthcare System, 2215, Fuller Road, Ann Arbor, Washtenaw County, Michigan, 48105, United States

    ANN ARBOR, MI 481052303

    Phone: (734) 845-5290

    Type: Location

  • 1627 CHEW ST STE 101

    ALLENTOWN, PA 181023648

    Phone: (610) 969-4370

    Type: Location

  • 707 EAGLEVIEW BLVD

    EXTON, PA 193411159

    Phone: (610) 644-6755

    Type: Mailing

  • 325 CENTRAL AVE

    MALVERN, PA 193553265

    Phone: (610) 644-6755

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 7 Open Payments records for all available years, with a total value of $638.

Total Amount is formed as General ($638) + Research ($0) + Ownership ($0) = $638.

Last reported payment date: 2024-10-15 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($225).

Total Amount

$638

General + Research + Ownership

Payments

7

Total payment records

General Amount

$638

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-15

Latest reported date

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: 2024-12-14

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
I20241214000514IInternal MedicinePATBD

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 48109)

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: 4688575434View full group profile
NameSpecialtyState
G A S T R O E N T E R O L O G YPA
G A S T R O E N T E R O L O G YIL
G A S T R O E N T E R O L O G YPA
G A S T R O E N T E R O L O G YPA
G A S T R O E N T E R O L O G YPA
-PA
Physician AssistantMD
G A S T R O E N T E R O L O G YPA
G A S T R O E N T E R O L O G YPA
Physician AssistantPA

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 federal number belongs to JANSON JACOB (MD)?
The federal identifier for JANSON JACOB (MD) is NPI 1629638614.
Is JANSON JACOB (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is JANSON JACOB (MD)?
The page reflects Gastroenterology Physician for JANSON JACOB (MD). Clinical services aligned with this taxonomy classification.
Where does public data place JANSON JACOB (MD)?
The snapshot lists Ann Arbor, Michigan for JANSON JACOB (MD); download NPPES for the complete set.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

Similar Providers

MICHAEL DAVID RICE (MD)

Gastroenterology Physician
KMS Building, 3621, South State Street, Ann Arbor, Washtenaw County, Michigan, 48108, United States
NPI: 1659367332

DR. ANDREW WEN-YUAN TAI (MD, PHD)

Internal Medicine Physician
South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States
NPI: 1770574774
South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States
NPI: 1104809623

MARY PATRICIA MORTELL (M.D.)

Gastroenterology Physician
5300 ELLIOTT DR
NPI: 1851370142

JOHN IRVIN ALLEN (MD)

Gastroenterology Physician
South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States
NPI: 1154393502

JOSEPH CHARLES KOLARS (M.D.)

Gastroenterology Physician
South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States
NPI: 1447222005

Unknown Individual

Gastroenterology Physician
200, East Russell Road, Tecumseh, Raisin Charter Township, Lenawee County, Michigan, 49286, United States
NPI: 1679532642

ELENA MARTINEZ STOFFEL (MD MPH)

Gastroenterology Physician
South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States
NPI: 1568428951