Isaiah Giese, M.D.
NPI 1235544933 · Ophthalmology Physician · Lancaster, MA
Provider details
- NPI number
- 1235544933
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 290439 (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 tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,424 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 358 | $94 |
| Photography of Content of Eyes92285 | 290 | $25 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $131 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 131 | $113 |
| Exam of Visual Field With Limited Testing92081 | 101 | $34 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
Practice location
Mailing address
Additional practice locations (4)
- 100 Powdermill RdActon, MA 01720-5932Phone: (978) 897-7212Fax: (978) 461-0345
- 413 Main StAthol, MA 01331-1842Phone: (978) 249-4209Fax: (978) 249-4102
- 74 Main StGardner, MA 01440-2634Phone: (978) 632-3930Fax: (978) 632-3158
- 255 Park Ave Ste 606Worcester, MA 01609-1930Phone: (508) 753-1032Fax: (508) 755-5705
Registry dates
- Enumerated
- 2014-06-23
- Last updated
- 2023-12-06
- Certified
- 2023-12-06
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.