Dr. John Christian Mills , MD
General Practice • Kalaheo, HI
2-2527 Kaumualii Hwy
Kalaheo, HI 967418309
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on February 26, 2007; this date does not establish years in practice.
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Published CMS data list 664 Original Medicare Part B services in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Published rows only; this is not a quality measure.
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Published Part B service records, 2021:
- 97112 — Therapy procedure to re-educate brain-to-nerve-to-muscle function: 208 service units.
- 97016 — Application of blood vessel compression device: 156 service units.
- G0283 — Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care: 154 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2020 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2021). CPT notice
See all 4 records in the table · Guide: How to read Medicare Part B data
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Medicare Part B services went from 45 in 2017 to 664 in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2017–2021.
Practice Location & Contact Primary Location
2-2527 Kaumualii Hwy
Kalaheo, HI 967418309
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare-allowed amount
About $24,439 in 2021
The total amount Medicare approved for these services in 2021. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
Paid by Medicare
About $19,406 in 2021
The part of the Medicare-allowed amount that Medicare itself paid in 2021, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
Open Payments general payments, program year 2023
All general payments: $141.71 across 2 records.
By nature of payment
- Food and Beverage: $141.71 across 2 records.
Reporting-company totals
- Gilead Sciences, Inc.: $141.71 across 2 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2023 (published June 30, 2026).
NPI first issued
2007
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Can order Medicare-covered services
CMS lists Dr. Mills as eligible to order or refer durable medical equipment (DME) for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Kalaheo and Hawaii
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Mills are from 2021.
1 active clinicians are listed under General Practice with a practice address in Kalaheo, HI (171 in Hawaii).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 1376% from 45 in 2017 to 664 in 2021.
- 2017: 45
- 2018: 52
- 2019: 113
- 2020: 17
- 2021: 664
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Medicare-allowed amount
Medicare-allowed amount increased 388% from $5,010 in 2017 to $24,439 in 2021.
- 2017: $5,010
- 2018: $5,953
- 2019: $12,278
- 2020: $1,344
- 2021: $24,439
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Paid by Medicare
Paid by Medicare increased 563% from $2,926 in 2017 to $19,406 in 2021.
- 2017: $2,926
- 2018: $4,039
- 2019: $7,969
- 2020: $1,328
- 2021: $19,406
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Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2023 only.
Sources: CMS Medicare Physician & Other Practitioners (2021), CMS Open Payments (2023), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2023 (payments made January 1 – December 31, 2023): fewer than 11 records totaling $141.71.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Gilead Sciences, Inc. |
Food and Beverage
In-kind items and services
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— | General | $114.30 |
| Gilead Sciences, Inc. |
Food and Beverage
In-kind items and services
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— | General | $27.41 |
Source: CMS Open Payments, program year 2023, released June 30, 2026.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2020 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2021; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
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97112
Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes
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208 | 13 | $55.00 | $32.74 |
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97016
Application of blood vessel compression device
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156 | 17 | $25.00 | $9.77 |
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G0283
Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care
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154 | 17 | $21.00 | $11.65 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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146 | 16 | $120.00 | $98.02 |
Source: CMS Part B by Provider and Service, 2021; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2020-12-16NUCC Taxonomy Code: 208D00000X
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSSources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Practitioner
Adult Nurse Practitioner, BC
Chiropractor
Doctor of Chiropractic
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
General Practice (license number reported to NPPES: HI MD-20915)
Registered at 2-2527 KAUMUALII HWY, KALAHEO, HI 967418309 (Tel: 8083325580)
Registered at 2-2527 KAUMUALII HWY, KALAHEO, HI 967418309 (Tel: 8083325580)
NPI status registered as active in NPPES database
Registered at 243 ELM ST, CLAREMONT, NH 037434921 (Tel: 6035427771)
Registered at 243 ELM ST, CLAREMONT, NH 037434921 (Tel: 6035427771)
Recorded as JOHN MILLS, MD
Emergency Medicine (license number reported to NPPES: NH 7359)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Mailing Address
2-2527 Kaumualii Hwy
Kalaheo, HI 967418309
Phone: 8083325580