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DR. CASIMIR LARKIN DOWD MD
NPI 1720303530
Orthopaedic Surgery - Hand Surgery in Los Gatos, CA

Active since April 05, 2010PECOS EnrolledAccepts Medicare Assignment
15720 WINCHESTER BLVD, LOS GATOS, CA 95030(650) 934-7111 Get Directions Write a Review

NPPES record last updated: December 9, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 9, 2020, Jan 8, 2020, Nov 17, 2018 (3 updates tracked since 2018).

About Dr. Casimir Larkin Dowd Md NPPES

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

DR. CASIMIR LARKIN DOWD MD (NPI 1720303530) is an individual hand surgery provider in Los Gatos, California, licensed in California (A117198) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2009).

NPPES Registry Identity

NPI1720303530
Entity TypeIndividualMale
Primary Taxonomy207XS0106X
Provider Legal NameDR. CASIMIR LARKIN DOWDCredential: MD
Location Address15720 WINCHESTER BLVDLos Gatos, CA 95030-3337
Mailing Address325 Distel CirLos Altos, CA 94022-1408
Phone(650) 934-7111
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2009
Enumeration DateApril 5, 2010
Last NPPES UpdateDecember 9, 20203 updates tracked since enumeration
NPPES CertifiedDecember 9, 2020
✔ NPI 1720303530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Hand SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0106X
License✔ Licensed in CA · A117198
Definition
An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.
15720 WINCHESTER BLVD, Los Gatos, CA 95030
Open in Google Maps ↗

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. Casimir Larkin Dowd 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 ID840504189
PECOS Enrollment IDI20150730014194
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 Casimir Dowd reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation
1.6 mi
Ambulatory Surgical
2506 SAMARITAN CT
San Jose, CA 95124
NPI 1033817168 (408) 203-3941

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 12

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
322 services82 patients
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.
279 services198 patients
Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702
This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.
162 services92 patients
Injection into tendon or ligament 20550
An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.
122 services86 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.
120 services120 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.
97 services86 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95030 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
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 3

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

Wrist hand finger orthosis, without joint(s), prefabricated, off-the-shelf, any type L3809
DME-Orthotic Devices · category DF000N
1 supplier11 claims11 services$156.39 avg. paid by Medicare
Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf L3908
DME-Orthotic Devices · category DF000N
1 supplier34 claims34 services$56.14 avg. paid by Medicare
Hand finger orthosis, without joints, may include soft interface, straps, prefabricated, off-the-shelf L3924
DME-Orthotic Devices · category DF000N
1 supplier35 claims35 services$63.98 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 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RAJ S KULLAR M.D.
Orthopaedic Surgery (Sports Medicine)
15720 WINCHESTER BLVD
LOS GATOS, CA 95030
Santa Clara County (408) 730-6160
MS. ALICE EDA CARROLL MSW LCSW
Social Worker (Clinical)
15720 WINCHESTER BLVD, STE 3
LOS GATOS, CA 95030
Santa Clara County (408) 395-7174
DOMANTE BERULYTE PA-C
Physician Assistant
15720 WINCHESTER BLVD
LOS GATOS, CA 95030
Santa Clara County (408) 730-6160
JENNIFER L SORRELL M.D.
Dermatology (Pediatric Dermatology)
15720 WINCHESTER BLVD
LOS GATOS, CA 95030
Santa Clara County (408) 730-6130
DEEPTI PUJARE
Internal Medicine (Endocrinology, Diabetes & Metabolism)
15720 WINCHESTER BLVD
LOS GATOS, CA 95030
Santa Clara County (408) 354-3737
WENNIE LIAO MD
Dermatology
15720 WINCHESTER BLVD
LOS GATOS, CA 95030
Santa Clara County (408) 730-6130
BRYCE CARL HOFFMAN M.D.
Allergy & Immunology
15720 WINCHESTER BLVD
LOS GATOS, CA 95030
Santa Clara County (650) 934-7888
DR. MARY MORRILL CHUBA M.D.
Dermatology
15720 WINCHESTER BLVD
LOS GATOS, CA 95030
Santa Clara County (408) 730-6130

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 Casimir Dowd's NPI number?

The NPI number for Casimir Dowd is 1720303530. It was assigned to this individual provider in the NPPES registry on April 5, 2010.

Where is Casimir Dowd located?

Casimir Dowd practices at 15720 Winchester Blvd, Los Gatos, CA 95030. The listed phone number is (650) 934-7111.

What is Casimir Dowd's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Is Casimir Dowd enrolled in Medicare?

Yes. Casimir Dowd 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 Casimir Dowd's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Casimir Dowd reassigns Medicare benefits to Sutter Bay Medical Foundation (San Jose, 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 Casimir Dowd'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 Casimir Dowd was last updated on December 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.