Alexander Ly, D.O
NPI 1710369798 · Internal Medicine Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Ly, D.O is a Internal Medicine Physician provider in Springfield, MA (NPI 1710369798).
Provider details
- NPI number
- 1710369798
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
358 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 252 | $171 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 42 | $129 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 32 | $9 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 32 | $14 |
Typical Medicare-allowed amounts for these services range $9–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 707 E Main StMiddletown, NY 10940-2650Phone: (845) 333-1000
Registry dates
- Enumerated
- 2015-06-25
- Last updated
- 2019-06-27
Frequently asked questions
- What is Alexander Ly's NPI number?
- Alexander Ly's National Provider Identifier (NPI) is 1710369798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Ly's specialty?
- Alexander Ly is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Ly located?
- Alexander Ly's practice location on file with NPPES is 759 Chestnut St, Springfield, MA 01199-1001.
- What is Alexander Ly's phone number?
- The practice phone number listed in the NPPES registry for Alexander Ly is (413) 794-0000.
- Does Alexander Ly accept Medicare?
- Alexander Ly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Ly's NPI active?
- Yes — Alexander Ly's NPI (1710369798) is active in the NPPES registry as of the last update on 2019-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.