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Edit this profileAt a glance
- 12942 Harbor Blvd, Garden Grove, CA 92840
About Martin Waltsak
Martin J. Waltsak, PA-C is a physician assistant based in Garden Grove, CA. Martin is also listed as specializing in family medicine. According to Medicare claims data, Martin cared for 154 Medicare patients across 178 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, telephone medical discussion with physician, 5-10 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1669409652.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 705-2120
- Email not available
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Practice Locations
12942 HARBOR BLVD
Garden Grove, CA 92840
Procedures Most Often Billed to Medicare
178 services · 154 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
79 | As often as other peers in Physician Assistant |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
32 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 | Less often than most peers in Physician Assistant |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
24 | Less often than most peers in Physician Assistant |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
16 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other physician assistants in Garden Grove 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Martin J. Waltsak's specialty?
Martin J. Waltsak is a physician assistant in Garden Grove, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Martin J. Waltsak?
Martin J. Waltsak is listed at 12942 Harbor Blvd, Garden Grove, CA 92840. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Martin J. Waltsak?
The number on file is (714) 705-2120. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Martin J. Waltsak's NPI number?
Martin J. Waltsak's National Provider Identifier is 1669409652. 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
What is Martin J. Waltsak's education?
Martin J. Waltsak attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Martin J. Waltsak been practicing?
Martin J. Waltsak has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Martin J. Waltsak known for?
According to Medicare billing data, Martin J. Waltsak the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Martin J. Waltsak confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Martin J. Waltsak. If this is you, claiming it is free.
Guide.md
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