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Edit this profileWhere to find Tammy O'Riley, FNP-C
- San Diego location main office
200 W Arbor Dr, San Diego, CA 92103 - Avondale location
10815 W McDowell Rd Ste 304, Avondale, AZ 85392
About Tammy O'riley
Tammy O'Riley, FNP-C is a nurse practitioner based in San Diego, CA. According to Medicare claims data, Tammy cared for 379 Medicare patients across 684 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, 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', and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report. The provider's National Provider Identifier (NPI) is 1235413436.
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
- (800) 926-8273
- Email not available
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Practice Locations
200 W ARBOR DR
San Diego, CA 92103
10815 W McDowell Rd Ste 304
Avondale, AZ 85392
Procedures Most Often Billed to Medicare
684 services · 379 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
132 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
268 | More than most peers in Nurse Practitioner |
| 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 |
246 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
26 | Less often than most peers in Nurse Practitioner |
| Hemoglobin a1c level | Lab test | 83036 |
12 | 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 29 related providers in 4 groups
Other nurse practitioners in San Diego 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Tammy O'Riley?
Tammy O'Riley is a nurse practitioner in San Diego, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Tammy O'Riley's address?
Tammy O'Riley is listed at 200 W Arbor Dr, San Diego, CA 92103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Tammy O'Riley?
The number on file is (800) 926-8273. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Tammy O'Riley's NPI number?
Tammy O'Riley's National Provider Identifier is 1235413436. 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 Tammy O'Riley train?
Tammy O'Riley attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has Tammy O'Riley been practicing?
Tammy O'Riley has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Tammy O'Riley perform?
According to Medicare billing data, Tammy O'Riley provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Tammy O'Riley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Tammy O'Riley. If this is you, claiming it is free.
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