Provider Profile
Cherlyn F. Alferos, FNP
Unclaimed ProfileAbout Cherlyn Alferos
Cherlyn F. Alferos, FNP is a nurse practitioner practicing in Walnut Creek, CA. Cherlyn is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Cherlyn cared for 1,352 Medicare patients across 2,588 services. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid from large joint. This provider record is associated with NPI 1568155430.
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
- (925) 939-8585
- Email not available
Practice Locations
2405 SHADELANDS DR STE 300
Walnut Creek, CA 94598
Procedures Most Often Billed to Medicare
2,588 services · 1,352 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
148 | More often than most peers in Nurse Practitioner |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
15 | Less often than most peers in Nurse Practitioner |
| Injection of trigger points, 1-2 muscles | Procedure | 20552 |
13 | Less often than most peers in Nurse Practitioner |
| X-ray of knee, 3 views | Imaging | 73562 |
118 | More often than most peers in Nurse Practitioner |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
74 | More than most peers in Nurse Practitioner |
| X-ray of hip, 2-3 views | Imaging | 73502 |
67 | More often than most peers in Nurse Practitioner |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
58 | More often than most peers in Nurse Practitioner |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
34 | More often than most peers in Nurse Practitioner |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
32 | More often than most peers in Nurse Practitioner |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
25 | As often as other 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 32 related providers in 4 groups
Other nurse practitioners in Walnut Creek 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Cherlyn F. Alferos?
Cherlyn F. Alferos is a nurse practitioner in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Cherlyn F. Alferos's address?
Cherlyn F. Alferos is listed at 2405 Shadelands Dr Ste 300, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Cherlyn F. Alferos?
The number on file is (925) 939-8585. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Cherlyn F. Alferos's NPI number?
Cherlyn F. Alferos's National Provider Identifier is 1568155430. 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 Cherlyn F. Alferos train?
Cherlyn F. Alferos attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Cherlyn F. Alferos been practicing?
Cherlyn F. Alferos has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What procedures does Cherlyn F. Alferos perform?
According to Medicare billing data, Cherlyn F. Alferos performs procedures including aspiration and/or injection of fluid from large joint, aspiration and/or injection of fluid from medium joint and injection of trigger points, 1-2 muscles; reads or performs imaging such as x-ray of knee, 3 views and x-ray of lower and sacral spine, 2-3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Cherlyn F. Alferos confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Cherlyn F. Alferos. If this is you, claiming it is free.
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