Kathryn Erhahon-Ilen-Otuma, FNP
NPI 1770209025 · Family Nurse Practitioner · Northridge, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Erhahon-Ilen-Otuma, FNP is a Family Nurse Practitioner provider in Northridge, CA (NPI 1770209025).
Provider details
- NPI number
- 1770209025
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 95023595 (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 tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
38 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 22 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $84 |
Typical Medicare-allowed amounts for these services range $84–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 46 | 46 |
| Azithromycin | 37 | 37 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 16 | 16 |
| Fluticasone Propionate | 14 | 13 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 14 | 14 |
| Naproxen | 13 | 11 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 12 | 12 |
These counts cover prescriptions paid through Medicare Part D in 2024 — they include cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 23357 Mulholland Dr # 9613Woodland Hills, CA 91364-2734Phone: (818) 223-8240
Registry dates
- Enumerated
- 2022-10-18
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Kathryn Erhahon-Ilen-Otuma's NPI number?
- Kathryn Erhahon-Ilen-Otuma's National Provider Identifier (NPI) is 1770209025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Erhahon-Ilen-Otuma's specialty?
- Kathryn Erhahon-Ilen-Otuma is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Erhahon-Ilen-Otuma located?
- Kathryn Erhahon-Ilen-Otuma's practice location on file with NPPES is 18546 Roscoe Blvd Ste 300, Northridge, CA 91324-5458.
- What is Kathryn Erhahon-Ilen-Otuma's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Erhahon-Ilen-Otuma is (818) 886-4028.
- Does Kathryn Erhahon-Ilen-Otuma accept Medicare?
- Kathryn Erhahon-Ilen-Otuma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Erhahon-Ilen-Otuma's NPI active?
- Yes — Kathryn Erhahon-Ilen-Otuma's NPI (1770209025) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.