Are you Mariko K. Johnson, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1301 Punchbowl St, Honolulu, HI 96813
About Dr. Johnson
Based in Honolulu, HI, Mariko K. Johnson, M.D. is listed in the NPI registry under endocrinology, diabetes & metabolism. Mariko graduated from Columbia University College of Physicians and Surgeons in 2005. Mariko is also listed as specializing in internal medicine. Medicare claims data shows Mariko provided 302 services to 176 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, injection of drug or substance under skin or into muscle, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1629279617 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (808) 691-1000
- Email not available
Practice Locations
1301 PUNCHBOWL ST
Honolulu, HI 96813
Conditions Commonly Evaluated or Treated
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched conditions
Adrenal
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Procedures & services
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
Genetic evaluations
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Routine Blood Tests
Thyroid
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Women's health
Most searched procedures
Diabetes preventive care
Procedures Most Often Billed to Medicare
302 services · 176 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
66 | As often as other peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
186 | As often as other peers in Endocrinology, Diabetes &… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
34 | As often as other peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
16 | Less often than most peers in Endocrinology, Diabetes &… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other endocrinologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other endocrinologists in Honolulu 7
Same specialty, same city.
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 3
Providers in HI who bill this service to Medicare most often.
Common questions
What kind of doctor is Mariko K. Johnson?
Mariko K. Johnson is an endocrinologist in Honolulu, HI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
What is Mariko K. Johnson's address?
Mariko K. Johnson is listed at 1301 Punchbowl St, Honolulu, HI 96813. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mariko K. Johnson?
The number on file is (808) 691-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mariko K. Johnson?
Mariko K. Johnson's National Provider Identifier is 1629279617. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mariko K. Johnson train?
Mariko K. Johnson attended Columbia University College of Physicians and Surgeons, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mariko K. Johnson have?
Mariko K. Johnson has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mariko K. Johnson perform?
According to Medicare billing data, Mariko K. Johnson provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mariko K. Johnson's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mariko K. Johnson. If this is you, claiming it is free.
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