Tamara Mcmillan, MSN, RN, AGACNP-BC
NPI 1881391480 · Nurse Practitioner · El Cajon, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tamara Mcmillan, MSN, RN, AGACNP-BC is a Nurse Practitioner provider in El Cajon, CA (NPI 1881391480).
Provider details
- NPI number
- 1881391480
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, RN, AGACNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 95023081 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,405 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 1,113 | $385 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 966 | $111 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 885 | $67 |
| Evaluation of Neuropsychological Test, First Hour96132 | 318 | $114 |
| Therapy Procedure for a Range of Mental Processes, Initial 15 Minutes97129 | 261 | $20 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 |
Practice location
Mailing address
Additional practice locations (1)
- 5602 University AveSan Diego, CA 92105-2308Phone: (619) 583-1993
Registry dates
- Enumerated
- 2023-02-14
- Last updated
- 2023-02-14
- Certified
- 2023-02-14
Frequently asked questions
- What is Tamara Mcmillan's NPI number?
- Tamara Mcmillan's National Provider Identifier (NPI) is 1881391480, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tamara Mcmillan's specialty?
- Tamara Mcmillan is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tamara Mcmillan located?
- Tamara Mcmillan's practice location on file with NPPES is 1391 E Madison Ave, El Cajon, CA 92021-8568.
- What is Tamara Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Tamara Mcmillan is (619) 444-1107.
- Does Tamara Mcmillan accept Medicare?
- Tamara Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tamara Mcmillan's NPI active?
- Yes — Tamara Mcmillan's NPI (1881391480) is active in the NPPES registry as of the last update on 2023-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.