Huan Mills, MD
NPI 1649633215 · Ophthalmology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Huan Mills, MD is a Ophthalmology Physician provider in Boston, MA (NPI 1649633215).
Provider details
- NPI number
- 1649633215
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 270990 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
2,518 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) |
|---|---|---|
| Imaging of Retina92134 | 513 | $45 |
| Established Patient Complete Exam of Visual System92014 | 432 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 329 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 294 | $140 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 265 | $27 |
| Imaging of Optic Nerve92133 | 194 | $41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 653 | 208 |
| Prednisolone Acetate | 185 | 141 |
| Ketorolac Tromethamine | 158 | 126 |
| Moxifloxacin Hclbrand: Moxifloxacin | 141 | 121 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 113 | 41 |
| Timolol Maleate | 93 | 27 |
| Cyclosporinebrand: Restasis | 53 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$764 across 37 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
- 2016-03-31
- Last updated
- 2022-01-03
- Certified
- 2022-01-03
Frequently asked questions
- What is Huan Mills's NPI number?
- Huan Mills's National Provider Identifier (NPI) is 1649633215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Huan Mills's specialty?
- Huan Mills is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Huan Mills located?
- Huan Mills's practice location on file with NPPES is 800 Washington St # 450, Boston, MA 02111-1552.
- What is Huan Mills's phone number?
- The practice phone number listed in the NPPES registry for Huan Mills is (617) 636-4648.
- Does Huan Mills accept Medicare?
- Huan Mills is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Huan Mills's NPI active?
- Yes — Huan Mills's NPI (1649633215) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.