Diane Elegino-Steffens, MD
NPI 1912227356 · Endocrinology, Diabetes & Metabolism Physician · Tripler Army Medical Center, HI
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Elegino-Steffens, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Tripler Army Medical Center, HI (NPI 1912227356).
Provider details
- NPI number
- 1912227356
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD-16618 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
20 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) |
|---|---|---|
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 20 | $94 |
Typical Medicare-allowed amounts for these services range $94–$94 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 395 | 114 |
| Methimazole | 295 | 90 |
| Teriparatidebrand: Forteo | 137 | 16 |
| Alendronate Sodium | 120 | 45 |
| Hydrocortisone | 104 | 26 |
| Insulin Glargine-Yfgn | 101 | 34 |
| Pen Needle, Diabeticbrand: Ultra-Fine Short Pen Needle | 85 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-08
- Last updated
- 2018-07-26
Frequently asked questions
- What is Diane Elegino-Steffens's NPI number?
- Diane Elegino-Steffens's National Provider Identifier (NPI) is 1912227356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Elegino-Steffens's specialty?
- Diane Elegino-Steffens is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Elegino-Steffens located?
- Diane Elegino-Steffens's practice location on file with NPPES is 1 Jarrett White Rd, Tripler Army Medical Center, HI 96859.
- What is Diane Elegino-Steffens's phone number?
- The practice phone number listed in the NPPES registry for Diane Elegino-Steffens is (808) 478-6965.
- Does Diane Elegino-Steffens accept Medicare?
- Diane Elegino-Steffens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Elegino-Steffens's NPI active?
- Yes — Diane Elegino-Steffens's NPI (1912227356) is active in the NPPES registry as of the last update on 2018-07-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.