DIANE M CLAUSEN M.D.
NPI 1447256995
Internal Medicine - Hematology & Oncology in E Setauket, NY

Q: What is Diane Clausen's NPI number?

The NPI number for Diane Clausen is 1447256995. It was assigned to this individual provider in the NPPES registry on June 21, 2005.

Q: What is Diane Clausen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Diane Clausen was last updated on August 20, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since June 21, 2005PECOS Enrolled

98.52/100

CMS Quality Rating

235 N BELLE MEAD RD, E SETAUKET, NY 11733(631) 751-3000(631) 675-2001 Get Directions Write a Review

NPPES record last updated: August 20, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Diane M Clausen M.d. NPPES

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

DIANE M CLAUSEN M.D. (NPI 1447256995) is an individual hematology & oncology provider in E Setauket, New York, licensed in New York (186523) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447256995

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameDIANE M CLAUSENCredential: M.D.

Location Address235 N BELLE MEAD RDE Setauket, NY 11733-3456

Mailing Address1500 Route 112, Bldg 4Port Jefferson Station, NY 11776-8055 · (631) 751-3000 · Fax (631) 675-2001

Phone(631) 751-3000

Fax(631) 675-2001

Sole ProprietorNo

Enumeration DateJune 21, 2005

Last NPPES UpdateAugust 20, 2019

✔ NPI 1447256995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in NY · 186523

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

235 N BELLE MEAD RD, E Setauket, NY 11733

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Other Identifiers 1

Medicaid01681621NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diane M Clausen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims 2

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

38 services36 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

26 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

98.52/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.85

Promoting Interoperability

100

Improvement Activities

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.

SANDRA THOMAS

Nurse Practitioner (Adult Health)