Doctor profile · Federal record

Dr. Frank Singer, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Honolulu, HI

  • NPI 1134217961
  • Accepts Medicare
  • MIPS 86.2 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
888 S King St
Honolulu, HI 968133009
(808) 522-4344
fax (808) 522-3336

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 13, 2010
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Hawaii #MD-5262

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134217961. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
662
Distinct HCPCS
5
Medicare allowed
$64,024
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 507 251 $97
99214 Established patient office or other outpatient visit, 30-39 minutes 55 26 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 47 42 $64
99441 Telephone medical discussion with physician, 5-10 minutes 29 24 $36
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $137

In context: peer comparison

Among 8 peers in Honolulu Endocrinology, Diabetes & Metabolism Physician, average services per provider: 127. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,448
Patients
450
Total drug cost
$654,663
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 310 101 $4,841
Jardiance (Empagliflozin) Brand 141 34 $160,933
Metformin Hcl Generic 113 36 $2,036
Synthroid (Levothyroxine Sodium) Brand 111 35 $7,704
Alendronate Sodium Generic 110 36 $1,762
Glipizide ER (Glipizide) Brand 88 28 $2,138
Januvia (Sitagliptin Phosphate) Brand 74 17 $85,307
Atorvastatin Calcium Generic 73 26 $2,494
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 73 29 $75,394
Methimazole Generic 73 26 $1,146

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Frank Singer's medical specialty?
Dr. Frank Singer practices Endocrinology, Diabetes & Metabolism Physician in Honolulu, HI.
Where does Dr. Frank Singer practice?
Dr. Frank Singer practices at 888 S King St, Honolulu, HI 968133009. Office phone: 8085224344.
What is Dr. Frank Singer's NPI?
Dr. Frank Singer's National Provider Identifier (NPI) is 1134217961, issued by NPPES.
Does Dr. Frank Singer accept Medicare assignment?
Yes. Dr. Frank Singer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frank Singer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.