DR. MICHAEL KROSIN MD
NPI 1578705000
Orthopaedic Surgery in Castro Valley, CA

Active since March 30, 2009PECOS EnrolledAccepts Medicare Assignment
91.04/100
CMS Quality Rating
19845 LAKE CHABOT RD STE 200, CASTRO VALLEY, CA 94546(510) 750-1967(844) 718-0067 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 7, 2026, Mar 4, 2025, Oct 29, 2020 and 1 more (4 updates tracked since 2020).

About Dr. Michael Krosin Md NPPES

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

DR. MICHAEL KROSIN MD (NPI 1578705000) is an individual orthopaedic surgery provider in Castro Valley, California, licensed in California (A96292) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oakland, and is a graduate of University Of Missouri, Columbia School Of Medicine (2004).

NPPES Registry Identity

NPI1578705000
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. MICHAEL KROSINCredential: MD
Location Address19845 LAKE CHABOT RD STE 200Castro Valley, CA 94546-4055
Mailing Address19845 Lake Chabot Rd Ste 200Castro Valley, CA 94546-4055 · (510) 750-1967 · Fax (844) 718-0067
Fax(844) 718-0067
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2004
Enumeration DateMarch 30, 2009
Last NPPES UpdateMay 7, 20264 updates tracked since enumeration
NPPES CertifiedMay 7, 2026
NPI 1578705000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses Licensed in CA · A96292 Licensed in IN · 01066586A
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
19845 LAKE CHABOT RD STE 200, Castro Valley, CA 94546

Secondary Practice Location 1

Location 1350 Hawthorne AveOakland, CA 94609-3108 · Phone (510) 204-4444

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

Dr. Michael Krosin 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 ID3870632847
PECOS Enrollment IDI20091204000026, I20110216000187
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 15

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.
173 services106 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.
140 services38 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
82 services38 patients
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.
66 services26 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.
52 services52 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
43 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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.

91.04/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.13
Promoting Interoperability100
Improvement Activities40
Cost64.1

Other Providers at the Same Location NPPES 8

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

Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546
Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546
Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546
Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546
Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546
Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546
Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546
Surgery
19845 LAKE CHABOT RD STE 200
CASTRO VALLEY, CA 94546

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 Michael Krosin's NPI number?

The NPI number for Michael Krosin is 1578705000. It was assigned to this individual provider in the NPPES registry on March 30, 2009.

Where is Michael Krosin located?

Michael Krosin practices at 19845 Lake Chabot Rd Ste 200, Castro Valley, CA 94546. The listed phone number is (510) 750-1967.

What is Michael Krosin's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Michael Krosin enrolled in Medicare?

Yes. Michael Krosin 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.

When was this NPI record last updated?

The NPPES record for Michael Krosin was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.