James Chambers, M.D.
NPI 1598765588 · Family Medicine Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Chambers, M.D. is a Family Medicine Physician provider in Huntsville, AL (NPI 1598765588).
Provider details
- NPI number
- 1598765588
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 00006818 (AL)
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
2,758 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,194 | $82 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 623 | $13 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 213 | $116 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 186 | $8 |
| Advance Care Planning, First 30 Minutes99497 | 161 | $75 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 156 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 453 | 74 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 431 | 65 |
| Atorvastatin Calcium | 347 | 105 |
| Omeprazole | 314 | 84 |
| Amlodipine Besylate | 293 | 78 |
| Prednisone | 288 | 145 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
- 2005-07-30
- Last updated
- 2010-07-06
Frequently asked questions
- What is James Chambers's NPI number?
- James Chambers's National Provider Identifier (NPI) is 1598765588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Chambers's specialty?
- James Chambers is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Chambers located?
- James Chambers's practice location on file with NPPES is 401 Lowell Dr Se, Huntsville, AL 35801-3748.
- What is James Chambers's phone number?
- The practice phone number listed in the NPPES registry for James Chambers is (256) 534-0659.
- Does James Chambers accept Medicare?
- James Chambers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Chambers's NPI active?
- Yes — James Chambers's NPI (1598765588) is active in the NPPES registry as of the last update on 2010-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.