Kei Martin, APRN, FNP-C
NPI 1972117992 · Family Nurse Practitioner · Tustin, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kei Martin, APRN, FNP-C is a Family Nurse Practitioner provider in Tustin, CA (NPI 1972117992).
Provider details
- NPI number
- 1972117992
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- APRN11008013 (FL)
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
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
288 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 47 | $108 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 41 | $64 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 33 | $120 |
| Urinalysis, Manual Test81002 | 32 | $3 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Ionized)80047 | 28 | $13 |
| Red Blood Cell Concentration Measurement85014 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 31 | 30 |
| Cephalexin | 28 | 28 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 25 | 25 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 23 |
| Triamcinolone Acetonide | 20 | 17 |
| Prednisone | 17 | 17 |
| Mupirocin | 16 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-09-08
- Last updated
- 2022-09-27
- Certified
- 2022-09-27
Frequently asked questions
- What is Kei Martin's NPI number?
- Kei Martin's National Provider Identifier (NPI) is 1972117992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kei Martin's specialty?
- Kei Martin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kei Martin located?
- Kei Martin's practice location on file with NPPES is 140 Centennial Way, Tustin, CA 92780-3711.
- What is Kei Martin's phone number?
- The practice phone number listed in the NPPES registry for Kei Martin is (949) 594-0446.
- Does Kei Martin accept Medicare?
- Kei Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kei Martin's NPI active?
- Yes — Kei Martin's NPI (1972117992) is active in the NPPES registry as of the last update on 2022-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.