DR. FREDERICK MARIUS JACOBSEN IV MD
NPI 1235256827
Psychiatry & Neurology - Sleep Medicine in Washington, DC

Active since March 26, 2007Opted out of Medicare · through Feb 24, 2028
908 NEW HAMPSHIRE AVE NW STE 700, WASHINGTON, DC 20037(202) 234-1742 Get Directions Write a Review

NPPES record last updated: August 12, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Frederick Marius Jacobsen Iv Md NPPES

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

DR. FREDERICK MARIUS JACOBSEN IV MD (NPI 1235256827) is an individual sleep medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (14701) and active in the NPI registry since March 2007. He has opted out of Medicare through February 24, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1235256827
Entity TypeIndividualMale
Primary Taxonomy2084S0012X
Provider Legal NameDR. FREDERICK MARIUS JACOBSEN IVCredential: MD
Location Address908 NEW HAMPSHIRE AVE NW STE 700Washington, DC 20037-2371
Mailing Address908 New Hampshire Ave Nw Ste 700Washington, DC 20037-2371 · (202) 234-1742
Sole ProprietorNo
Enumeration DateMarch 26, 2007
Last NPPES UpdateAugust 12, 2008
NPI 1235256827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084S0012X
License Licensed in DC · 14701
Definition

A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedPreventive Medicine · Public Health & General Preventive MedicineTaxonomy 2083P0901X · License 14701 (DC)
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 14701 (DC)
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 14701 (DC)
Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License 14701 (DC)
Also ListedClinical PharmacologyTaxonomy 208U00000X · License 14701 (DC)
908 NEW HAMPSHIRE AVE NW STE 700, Washington, DC 20037

Other Identifiers 1

Medicare UPINC88024DC

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Frederick Marius Jacobsen Iv Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 24, 2014 through February 24, 2028.

Opt-Out Effective DateFebruary 24, 2014
Opt-Out In Effect ThroughFebruary 24, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
2 suppliers12 claims12 services$11.94 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers11 claims11 services$30.27 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Frederick Jacobsen's NPI number?

The NPI number for Frederick Jacobsen is 1235256827. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Where is Frederick Jacobsen located?

Frederick Jacobsen practices at 908 New Hampshire Ave NW Ste 700, Washington, DC 20037. The listed phone number is (202) 234-1742.

What is Frederick Jacobsen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Is Frederick Jacobsen enrolled in Medicare?

No. Frederick Jacobsen has opted out of Medicare through February 24, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Frederick Jacobsen was last updated on August 12, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.