Nancy Balin, M.D., F.A.C.S.
NPI 1629073879 · Ophthalmology Physician · Northampton, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Balin, M.D., F.A.C.S. is a Ophthalmology Physician provider in Northampton, MA (NPI 1629073879).
Provider details
- NPI number
- 1629073879
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., F.A.C.S.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 56843 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 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
4,083 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) |
|---|---|---|
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 1,234 | $2 |
| Established Patient Complete Exam of Visual System92014 | 640 | $127 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 456 | $25 |
| Established Patient Problem Focused Exam of Visual System92012 | 450 | $90 |
| Imaging of Retina92134 | 252 | $41 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 229 | $509 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 988 | 256 |
| Timolol Maleate | 633 | 189 |
| Ketorolac Tromethamine | 463 | 280 |
| Brimonidine Tartrate | 410 | 109 |
| Netarsudil Mesylatebrand: Rhopressa | 293 | 59 |
| Prednisolone Acetate | 290 | 199 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 288 | 86 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$646 across 18 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
- 2005-06-15
- Last updated
- 2012-05-24
Frequently asked questions
- What is Nancy Balin's NPI number?
- Nancy Balin's National Provider Identifier (NPI) is 1629073879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Balin's specialty?
- Nancy Balin is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Nancy Balin located?
- Nancy Balin's practice location on file with NPPES is 269 Locust St, Northampton, MA 01062-2003.
- What is Nancy Balin's phone number?
- The practice phone number listed in the NPPES registry for Nancy Balin is (413) 584-6666.
- Does Nancy Balin accept Medicare?
- Nancy Balin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Balin's NPI active?
- Yes — Nancy Balin's NPI (1629073879) is active in the NPPES registry as of the last update on 2012-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.