Mary Schaefer, M.D.
NPI 1770511503 · Anesthesiology Physician · Kailua, HI
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Schaefer, M.D. is a Anesthesiology Physician provider in Kailua, HI (NPI 1770511503).
Provider details
- NPI number
- 1770511503
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD-12075 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
130 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 59 | $106 |
Typical Medicare-allowed amounts for these services range $71–$106 (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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 137 | 14 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 82 | 11 |
| Onabotulinumtoxinabrand: Botox | 45 | 12 |
| Oxycodone Hclbrand: Oxycontin | 28 | — |
| Morphine Sulfatebrand: Morphine Sulfate Er | 26 | — |
| Clonazepam | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$909 across 42 records (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
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2018-05-02
Frequently asked questions
- What is Mary Schaefer's NPI number?
- Mary Schaefer's National Provider Identifier (NPI) is 1770511503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Schaefer's specialty?
- Mary Schaefer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Schaefer located?
- Mary Schaefer's practice location on file with NPPES is 354 Uluniu St, Kailua, HI 96734-2528.
- What is Mary Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Mary Schaefer is (808) 262-1144.
- Does Mary Schaefer accept Medicare?
- Mary Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Schaefer's NPI active?
- Yes — Mary Schaefer's NPI (1770511503) is active in the NPPES registry as of the last update on 2018-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.