Provider Profile
Tamara S. McMillan, MSN, RN, AGACNP-BC
Unclaimed ProfileAbout Tamara Mcmillan
Tamara S. McMillan, MSN, RN, AGACNP-BC is a nurse practitioner based in El Cajon, CA. According to Medicare claims data, Tamara cared for 352 Medicare patients across 4,405 services. The services billed most often include measurement of brain wave activity (eeg), awake and drowsy, residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, and residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (619) 444-1107
- Email not available
Practice Locations
1391 E MADISON AVE
El Cajon, CA 92021
5602 University Ave
San Diego, CA 92105
Procedures Most Often Billed to Medicare
4,405 services · 352 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
1,113 | Too few peers to compare |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
318 | More than most peers in Nurse Practitioner |
| Therapy procedure for a range of mental processes, initial 15 minutes | Treatment | 97129 |
261 | Too few peers to compare |
| Biofeedback training | Treatment | 90901 |
235 | Too few peers to compare |
| Administration of developmental test, first hour | Treatment | 96112 |
155 | Too few peers to compare |
| Therapy procedure using sensory experiences | Treatment | 97533 |
120 | Too few peers to compare |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
45 | More than most peers in Nurse Practitioner |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
966 | More than most peers in Nurse Practitioner |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
885 | More than most peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
248 | 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.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in El Cajon 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity (eeg), awake and drowsy 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Tamara S. McMillan, MSN, RN specialize in?
Tamara S. McMillan, MSN, RN is a nurse practitioner in El Cajon, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Tamara S. McMillan, MSN, RN located?
Tamara S. McMillan, MSN, RN is listed at 1391 E Madison Ave, El Cajon, CA 92021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Tamara S. McMillan, MSN, RN's phone number?
The number on file is (619) 444-1107. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Tamara S. McMillan, MSN, RN's NPI number?
Tamara S. McMillan, MSN, RN's National Provider Identifier is 1881391480. 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 Tamara S. McMillan, MSN, RN train?
Tamara S. McMillan, MSN, RN attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Tamara S. McMillan, MSN, RN been practicing?
Tamara S. McMillan, MSN, RN has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What does Tamara S. McMillan, MSN, RN do most often?
According to Medicare billing data, Tamara S. McMillan, MSN, RN provides treatments such as measurement of brain wave activity , awake and drowsy and evaluation of neuropsychological test, first hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Tamara S. McMillan, MSN, RN confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Tamara S. McMillan, MSN, RN. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.