Physician Profile
Unclaimed ProfileAbout MARUYAMA
Michael Michio Maruyama, MD practises general surgery in Fresno, CA. Michael is also listed as specialising in surgery.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Maruyama?
Dr. Maruyama is a general surgeon in Fresno, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Maruyama's address?
Dr. Maruyama is listed at 1125 EAST SPRUCE AVENUE SUITE 101, Fresno, CA 93720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Maruyama?
The number on file is (559) 450-3901. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Maruyama's NPI number?
Dr. Maruyama's National Provider Identifier is 1649354408. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Maruyama train?
Dr. Maruyama attended Other, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Maruyama been practising?
Dr. Maruyama has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Maruyama perform?
According to Medicare billing data, Dr. Maruyama performs procedures including repair of trapped groin hernia, creation of muscle graft to trunk and removal of gallbladder using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Maruyama confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maruyama. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (559) 450-3901
- Email not available
Practice Locations
1125 EAST SPRUCE AVENUE SUITE 101
Fresno, CA 93720
Procedures Most Often Billed to Medicare
362 services · 333 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Repair of trapped groin hernia (5 years or older) | Procedure | 49507 |
43 |
| Creation of muscle graft to trunk | Procedure | 15734 |
31 |
| Removal of gallbladder using an endoscope | Procedure | 47562 |
16 |
| Initial repair of entrapped hernia of abdomen, 3-10 cm in length | Procedure | 49594 |
14 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
106 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
103 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general surgeons in Fresno 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Repair of trapped groin hernia (5 years or older) 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.