NICHOLAS ALEXANDER DEWYER MD
NPI 1154671089
Otolaryngology - Otology & Neurotology in San Francisco, CA

Active since September 18, 2012PECOS EnrolledAccepts Medicare Assignment
97.64/100
CMS Quality Rating
2340 CLAY ST, SAN FRANCISCO, CA 94115(415) 600-0151 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 13, 2026, Aug 14, 2023, May 20, 2019 (3 updates tracked since 2019).

About Nicholas Alexander Dewyer Md NPPES

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

NICHOLAS ALEXANDER DEWYER MD (NPI 1154671089) is an individual otology & neurotology provider in San Francisco, California, licensed in California (A131058) and active in the NPI registry since September 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1154671089
Entity TypeIndividualMale
Primary Taxonomy207YX0901X
Provider Legal NameNICHOLAS ALEXANDER DEWYERCredential: MD
Location Address2340 CLAY STSan Francisco, CA 94115-1932
Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (415) 600-0151
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateSeptember 18, 2012
Last NPPES UpdateJanuary 13, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
NPI 1154671089 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOtolaryngology · Otology & NeurotologyAllopathic & Osteopathic Physicians
Taxonomy Code207YX0901X
Licenses Licensed in CA · A131058 Licensed in AZ · 57999
Definition
An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.
Also ListedOtolaryngologyTaxonomy 207Y00000X · License 273495 (MA)
2340 CLAY ST, San Francisco, CA 94115

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Nicholas Alexander Dewyer 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 ID9335431766
PECOS Enrollment IDI20251002003687
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 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
120 services80 patients
Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
64 services46 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
62 services62 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
42 services33 patients
Exam of ear using a microscope 92504
An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.
18 services17 patients
Partial thickness self skin graft to face, scalp, eyelids, mouth, neck, ears, around eyes, genitals, hands, feet, fingers, or toes, 100.0 sq cm or 1% body area for infants and children, or less 15120
A partial thickness self skin graft involves taking a thin layer of skin from a healthy part of your body and transplanting it to a damaged area. This procedure is used for areas such as the face, scalp, eyelids, mouth, neck, ears, hands, feet, fingers, or toes. It covers up to 100.0 sq cm or 1% body area for infants and children.
13 services12 patients

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.

97.64/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality84.77
Promoting Interoperability98.67
Improvement Activities40

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.

Pediatrics
2340 CLAY ST, 3RD FLOOR
SAN FRANCISCO, CA 94115
Hospitalist
2340 CLAY ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
General Acute Care Hospital
2340 CLAY ST, 5TH FLOOR
SAN FRANCISCO, CA 94115
Nurse Practitioner (Family)
2340 CLAY ST, SUITE 537
SAN FRANCISCO, CA 94115
Clinical Neuropsychologist
2340 CLAY ST, 7TH FLOOR
SAN FRANCISCO, CA 94115
Psychiatry & Neurology (Psychiatry)
2340 CLAY ST
SAN FRANCISCO, CA 94115
General Acute Care Hospital
2340 CLAY ST, 5TH FLOOR, OPHTHALMOLOGY DEPARTMENT
SAN FRANCISCO, CA 94115
Family Medicine
2340 CLAY ST, FLOORS 1-5 AND 7
SAN FRANCISCO, CA 94115

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 Nicholas Dewyer's NPI number?

The NPI number for Nicholas Dewyer is 1154671089. It was assigned to this individual provider in the NPPES registry on September 18, 2012.

Where is Nicholas Dewyer located?

Nicholas Dewyer practices at 2340 Clay St, San Francisco, CA 94115. The listed phone number is (415) 600-0151.

What is Nicholas Dewyer's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.

Is Nicholas Dewyer enrolled in Medicare?

Yes. Nicholas Dewyer 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.

What insurance does Nicholas Dewyer accept?

Health plans from Blue Cross Blue Shield of Arizona list Nicholas Dewyer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nicholas Dewyer was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.