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DR. FREDERICK S ROSEN MD
NPI 1063502839
Otolaryngology - Pediatric Otolaryngology in Brentwood, CA

Active since October 13, 2006PECOS EnrolledAccepts Medicare Assignment
1181 CENTRAL BLVD STE B, BRENTWOOD, CA 94513(925) 463-0336(925) 463-1387 Get Directions Write a Review

NPPES record last updated: March 19, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Frederick S Rosen Md NPPES

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

DR. FREDERICK S ROSEN MD (NPI 1063502839) is an individual pediatric otolaryngology provider in Brentwood, California, licensed in California (A84955) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1999).

NPPES Registry Identity

NPI1063502839
Entity TypeIndividualMale
Primary Taxonomy207YP0228X
Provider Legal NameDR. FREDERICK S ROSENCredential: MD
Location Address1181 CENTRAL BLVD STE BBrentwood, CA 94513-2252
Mailing AddressPo Box 6177Alameda, CA 94501-6977 · (925) 463-0336 · Fax (925) 463-1387
Phone(925) 463-0336
Fax(925) 463-1387
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1999
Enumeration DateOctober 13, 2006
Last NPPES UpdateMarch 19, 2015
✔ NPI 1063502839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
License✔ Licensed in CA · A84955
Definition
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License A84955 (CA)
1181 CENTRAL BLVD STE B, Brentwood, CA 94513
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Other Identifiers 4

OtherZZZ21406ZMedicare Gr
OtherA84955CA · License
Medicare UPINI11062
Medicare ID-Type Unspecified00A849550

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Frederick S Rosen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698746972
PECOS Enrollment IDI20190911001650
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.

Medicare Billing Reassignment

Medicare enrollment records show Frederick Rosen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of San Luis Obispo
169 mi
Mental Health (Including Community Mental Health Center)
805 4TH ST
Paso Robles, CA 93446
  • Reassigned Medicare billing, California enrollment
  • 32 clinicians in this Medicare group
NPI 1134287634 (805) 781-4700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.

Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
174 services172 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
165 services164 patients
Administration of hepatitis b vaccine G0010
The Hepatitis B vaccine is a preventive measure against the Hepatitis B virus. It is given as an injection into the muscle. The vaccine stimulates your body to produce antibodies, providing immunity against the virus. It's typically given in 3 doses over a 6-month period.
35 services26 patients
Hepatitis b vaccine (hepb), cpg-adjuvanted, adult dosage, 2 dose or 4 dose schedule, for intramuscular use 90739
The Hepatitis B vaccine for adults is an injection that protects against the Hepatitis B virus. It's usually given as a series of 3 doses over 6 months. This vaccine helps your body build immunity, reducing the risk of Hepatitis B infection and its complications.
30 services21 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
29 services27 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
27 services26 patients

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 Rosen's NPI number?

The NPI number for Frederick Rosen is 1063502839. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Frederick Rosen located?

Frederick Rosen practices at 1181 Central Blvd Ste B, Brentwood, CA 94513. The listed phone number is (925) 463-0336.

What is Frederick Rosen's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.

Is Frederick Rosen enrolled in Medicare?

Yes. Frederick Rosen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Frederick Rosen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Frederick Rosen reassigns Medicare benefits to County Of San Luis Obispo (Paso Robles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Frederick Rosen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Frederick Rosen was last updated on March 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.