David Lo, M.D.
NPI 1841602273 · Internal Medicine Physician · Stamford, CT
David Lo, M.D. is a Internal Medicine Physician provider in Stamford, CT (NPI 1841602273).
Provider details
- NPI number
- 1841602273
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 56452 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
443 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 164 | $133 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 97 | $94 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 89 | $134 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 37 | $17 |
| Administration of Influenza Virus VaccineG0008 | 17 | $34 |
| Initial Preventive Physical Examination; Face-To-Face Visit, Services Limited to New Beneficiary During the First 12 Months of Medicare Enrollment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 272 | 100 |
| Amlodipine Besylate | 201 | 83 |
| Rosuvastatin Calcium | 136 | 54 |
| Lisinopril | 124 | 42 |
| Losartan Potassium | 112 | 39 |
| Levothyroxine Sodium | 108 | 41 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-20
- Last updated
- 2025-03-24
- Certified
- 2025-03-24
Frequently asked questions
- What is David Lo's NPI number?
- David Lo's National Provider Identifier (NPI) is 1841602273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lo's specialty?
- David Lo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Lo located?
- David Lo's practice location on file with NPPES is 51 Schuyler Ave, Stamford, CT 06902-3730.
- What is David Lo's phone number?
- The practice phone number listed in the NPPES registry for David Lo is (203) 327-1187.
- Is David Lo's NPI active?
- Yes — David Lo's NPI (1841602273) is active in the NPPES registry as of the last update on 2025-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.