DR. SIDNEY MARK FISHMAN MD
NPI 1417953043
Otolaryngology - Otolaryngic Allergy in Los Alamitos, CA

Q: What is Sidney Fishman's NPI number?

The NPI number for Sidney Fishman is 1417953043. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Q: What is Sidney Fishman's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngic Allergy, with taxonomy code 207YX0602X.

Q: When was this NPI record last updated?

The NPPES record for Sidney Fishman was last updated on April 27, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 28, 2005PECOS Enrolled

3801 KATELLA AVE, STE 425, LOS ALAMITOS, CA 90720(562) 596-2925(562) 596-5703 Get Directions Write a Review

NPPES record last updated: April 27, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Sidney Mark Fishman Md NPPES

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

DR. SIDNEY MARK FISHMAN MD (NPI 1417953043) is an individual otolaryngic allergy provider in Los Alamitos, California, licensed in California (AF7229455) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417953043

Entity TypeIndividualMale

Primary Taxonomy207YX0602X

Provider Legal NameDR. SIDNEY MARK FISHMANCredential: MD

Location Address3801 KATELLA AVE, STE 425Los Alamitos, CA 90720-6901

Mailing Address3801 Katella Ave, Ste 425Los Alamitos, CA 90720-6901 · (562) 596-2925 · Fax (562) 596-5703

Phone(562) 596-2925

Fax(562) 596-5703

Sole ProprietorNo

Enumeration DateJune 28, 2005

Last NPPES UpdateApril 27, 2010

✔ NPI 1417953043 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyOtolaryngology · Otolaryngic AllergyAllopathic & Osteopathic Physicians

Taxonomy Code207YX0602X

License✔ Licensed in CA · AF7229455

Definition

An otolaryngologist who specializes in the diagnosis and treatment of otolaryngic allergies and other allergic diseases.

Also ListedOtolaryngology · Pediatric OtolaryngologyTaxonomy 207YP0228X · License AF7229455 (CA)

Also ListedOtolaryngology · Otolaryngology/Facial Plastic SurgeryTaxonomy 207YX0905X · License AF7229455 (CA)

3801 KATELLA AVE, Los Alamitos, CA 90720

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Other Identifiers 3

Medicaid00G305900CA

Medicare ID-Type UnspecifiedW11893CA

Medicare UPINA44476CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sidney Mark Fishman Md 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.

Medicare Billing Reassignment

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

Todd C Miller, MD, Inc

0.2 mi

Otolaryngology

10851 BLOOMFIELD ST
Los Alamitos, CA 90720

Reassigned Medicare billing, California enrollment
4 clinicians in this Medicare group

NPI 1194176081 (562) 596-2925

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

Referred Medical Equipment & Supplies CMS DME claims 3

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

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

5 suppliers12 claims72 services$13.30 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

5 suppliers17 claims17 services$43.91 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

5 suppliers16 claims90 services$1.80 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

ALEXANDER E LOSCIALPO MD INC

Allergy & Immunology (Allergy)

3801 KATELLA AVE, SUITE 201
LOS ALAMITOS, CA 90720

Orange County (714) 378-2480

ANDRE BABAJANIANS MD MEDICAL CORP

Clinic/Center (Medical Specialty)

3801 KATELLA AVE, SUITE 321
LOS ALAMITOS, CA 90720

Orange County (562) 594-3766

DR. MINH TUE HUYNH M.D.

Internal Medicine (Hematology & Oncology)

3801 KATELLA AVE, SUITE 207
LOS ALAMITOS, CA 90720

Orange County (562) 598-9745

DR. AYLA MUNAWAR D.O.

Pediatrics

3801 KATELLA AVE, STE 221
LOS ALAMITOS, CA 90720

Orange County (562) 431-6548

DR. OMID VAHDAT M.D.

Internal Medicine (Interventional Cardiology)

3801 KATELLA AVE, SUITE 310
LOS ALAMITOS, CA 90720

Orange County (562) 598-0604

MARIO CURTI M.D.

Internal Medicine (Hematology & Oncology)

3801 KATELLA AVE, SUITE #207
LOS ALAMITOS, CA 90720

Orange County (562) 598-9745

DR. ING L WONG MD

Internal Medicine (Nephrology)

3801 KATELLA AVE, STE 225
LOS ALAMITOS, CA 90720

Orange County (562) 594-6995

OMID VAHDAT MD INC

Internal Medicine (Interventional Cardiology)

3801 KATELLA AVE, SUITE 310
LOS ALAMITOS, CA 90720

Orange County (562) 598-0604

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 Sidney Fishman's NPI number?

The NPI number for Sidney Fishman is 1417953043. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Where is Sidney Fishman located?

Sidney Fishman practices at 3801 Katella Ave Ste 425, Los Alamitos, CA 90720. The listed phone number is (562) 596-2925.

What is Sidney Fishman's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngic Allergy, with taxonomy code 207YX0602X.

Is Sidney Fishman enrolled in Medicare?

Yes. Sidney Fishman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sidney Fishman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sidney Fishman reassigns Medicare benefits to Todd C Miller, MD, Inc (Los Alamitos, 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 Sidney Fishman'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 Sidney Fishman was last updated on April 27, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.