James Chamberlain, M.D.
NPI 1437150042 · Family Medicine Physician · Queenstown, MD
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chamberlain, M.D. is a Family Medicine Physician provider in Queenstown, MD (NPI 1437150042).
Provider details
- NPI number
- 1437150042
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0037064 (MD)
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
20 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
6,477 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 908 | $97 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 814 | $9 |
| 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 | 673 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 599 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 569 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 151 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 541 | 154 |
| Atorvastatin Calcium | 520 | 152 |
| Amlodipine Besylate | 517 | 146 |
| Metoprolol Succinate | 370 | 104 |
| Rosuvastatin Calcium | 347 | 113 |
| Levothyroxine Sodium | 329 | 89 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,067 across 57 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
- 2005-08-04
- Last updated
- 2011-12-05
Frequently asked questions
- What is James Chamberlain's NPI number?
- James Chamberlain's National Provider Identifier (NPI) is 1437150042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chamberlain's specialty?
- James Chamberlain is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Chamberlain located?
- James Chamberlain's practice location on file with NPPES is 125 Shoreway Dr, Queenstown, MD 21658-1666.
- What is James Chamberlain's phone number?
- The practice phone number listed in the NPPES registry for James Chamberlain is (410) 827-4001.
- Does James Chamberlain accept Medicare?
- James Chamberlain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chamberlain's NPI active?
- Yes — James Chamberlain's NPI (1437150042) is active in the NPPES registry as of the last update on 2011-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.