Where to find Marenna R. Cowan, FNP-C
- Costa Mesa location main office
660 Baker St Ste A102, Costa Mesa, CA 92626 - Irvine location
4950 Barranca Pkwy Ste 104, Irvine, CA 92604
About Marenna Cowan
Marenna R. Cowan, FNP-C is a nurse practitioner based in Costa Mesa, CA. Marenna is also listed as specializing in registered nurse and nurse practitioner — family. According to Medicare claims data, Marenna cared for 84 Medicare patients across 85 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and urinalysis, manual test. The provider's National Provider Identifier (NPI) is 1063078806.
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) 668-2505
- Email not available
Practice Locations
660 BAKER ST STE A102
Costa Mesa, CA 92626
4950 Barranca Pkwy Ste 104
Irvine, CA 92604
Procedures Most Often Billed to Medicare
85 services · 84 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
47 | As often as other peers in Nurse Practitioner |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
24 | As often as other peers in Nurse Practitioner |
| Urinalysis, manual test | Lab test | 81002 |
14 | Less often than most peers in Nurse Practitioner |
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.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other nurse practitioners in Costa Mesa 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What is Marenna R. Cowan's specialty?
Marenna R. Cowan is a nurse practitioner in Costa Mesa, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Marenna R. Cowan?
Marenna R. Cowan is listed at 660 Baker St Ste A102, Costa Mesa, CA 92626. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marenna R. Cowan?
The number on file is (714) 668-2505. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marenna R. Cowan's NPI number?
Marenna R. Cowan's National Provider Identifier is 1063078806. 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 Marenna R. Cowan's education?
Marenna R. Cowan attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Marenna R. Cowan been practicing?
Marenna R. Cowan has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Marenna R. Cowan known for?
According to Medicare billing data, Marenna R. Cowan 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 Marenna R. Cowan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marenna R. Cowan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.