Frank Singer, M.D.
NPI 1134217961 · Endocrinology, Diabetes & Metabolism Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frank Singer, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Honolulu, HI (NPI 1134217961).
Provider details
- NPI number
- 1134217961
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD-5262 (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
19 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
1,039 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 462 | $94 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 400 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 39 | $132 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 322 | 95 |
| Empagliflozinbrand: Jardiance | 142 | 30 |
| Alendronate Sodium | 120 | 35 |
| Methimazole | 93 | 33 |
| Levothyroxine Sodiumbrand: Synthroid | 91 | 31 |
| Glipizidebrand: Glipizide Er | 89 | 30 |
| Sitagliptin Phosphatebrand: Januvia |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2010-10-13
Frequently asked questions
- What is Frank Singer's NPI number?
- Frank Singer's National Provider Identifier (NPI) is 1134217961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Singer's specialty?
- Frank Singer is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Singer located?
- Frank Singer's practice location on file with NPPES is 888 S King St, Honolulu, HI 96813-3009.
- What is Frank Singer's phone number?
- The practice phone number listed in the NPPES registry for Frank Singer is (808) 522-4344.
- Does Frank Singer accept Medicare?
- Frank Singer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frank Singer's NPI active?
- Yes — Frank Singer's NPI (1134217961) is active in the NPPES registry as of the last update on 2010-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.