DR. JONATHAN ROSS KAUFMANN (D.O.) – Internal Medicine Physician, NPI 1104953843

DR. JONATHAN ROSS KAUFMANN (D.O.) is a healthcare provider. based in Dover, Delaware. specializing in INTERNAL MEDICINE. They hold the professional credentials D.O.. They hold a License No. C7-0003467 (DE). The NPI Number for DR. JONATHAN ROSS KAUFMANN (D.O.) is 1104953843

Main info

Male
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. JONATHAN ROSS KAUFMANN (D.O.)
NPI
1104953843
Phone
(302) 744-7581
Address
640 S STATE ST
Enumeration Date
28 February 2007
Last Update Date
16 July 2018

Doctor Profile

Medical School Name
PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Secondary Phone
3027253557
Graduation Year
2006 (20 years ago)
PAC ID
9830241058
Group Practice PAC ID
1658364740
Professional Enrollment ID
I20090720000463
Address ID
DE199631006MI804XXBLVD401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

777 INTERNAL MEDICINE in DE

Provider Addresses for DR. JONATHAN ROSS KAUFMANN (D.O.)

  • 640 S STATE ST

    DOVER, DE 19901

    Phone: (302) 744-7581

    Type: Location

  • 233 WICKERBERRY DR

    MIDDLETOWN, DE 197097810

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2009-07-20

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
I20090720000463IInternal MedicineDETBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99238Hospital discharge day management, 30 minutes or less1616$0
99214Established patient office or other outpatient visit, 30-39 minutes1312$0
View full utilization report →

Insurance plans in this area (ZIP 19901)

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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: 1658364740View full group profile
NameSpecialtyState
Nurse PractitionerMD
H E M A T O L O G Y/ O N C O L O G YDE
Internal Medicine, Infectious DiseaseDE
-DE
Certified Nurse Midwife (Cnm)DE
O B S T E T R I C S/ G Y N E C O L O G YDE
Medical OncologyDE
Physician AssistantDE
Certified Nurse Midwife (Cnm)DE
Internal MedicineNY

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Frequently asked questions

What number should I use to identify DR. JONATHAN ROSS KAUFMANN (D.O.) for billing?
Administrative and clinical systems typically use NPI 1104953843 for DR. JONATHAN ROSS KAUFMANN (D.O.).
Is DR. JONATHAN ROSS KAUFMANN (D.O.) currently accepting referrals based on NPI status?
Registry metadata lists DR. JONATHAN ROSS KAUFMANN (D.O.) as active.
What does the directory say DR. JONATHAN ROSS KAUFMANN (D.O.) does?
Insurance directories may phrase it differently, but here DR. JONATHAN ROSS KAUFMANN (D.O.) maps to Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Can patients visit DR. JONATHAN ROSS KAUFMANN (D.O.) in Dover, Delaware?
For routing, start with Dover, Delaware for DR. JONATHAN ROSS KAUFMANN (D.O.), then verify phone and hours locally.
Who maintains DR. JONATHAN ROSS KAUFMANN (D.O.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

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