Joseph Chambers, M.D.
NPI 1376543645 · Family Medicine Physician · Manassas, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Chambers, M.D. is a Family Medicine Physician provider in Manassas, VA (NPI 1376543645).
Provider details
- NPI number
- 1376543645
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101233994 (VA)
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
20 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
877 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 | 375 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 356 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $129 |
| Administration of Influenza Virus VaccineG0008 | 24 | $31 |
| Automated Urinalysis Test81003 | 23 | $2 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 282 | 77 |
| Lisinopril | 202 | 57 |
| Simvastatin | 197 | 53 |
| Metformin Hcl | 176 | 47 |
| Levothyroxine Sodium | 173 | 44 |
| Amlodipine Besylate | 147 | 39 |
| Losartan Potassium | 118 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2023-04-24
- Certified
- 2023-04-24
Frequently asked questions
- What is Joseph Chambers's NPI number?
- Joseph Chambers's National Provider Identifier (NPI) is 1376543645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Chambers's specialty?
- Joseph Chambers is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Chambers located?
- Joseph Chambers's practice location on file with NPPES is 8640 Sudley Rd, Manassas, VA 20110-4420.
- What is Joseph Chambers's phone number?
- The practice phone number listed in the NPPES registry for Joseph Chambers is (703) 368-3161.
- Does Joseph Chambers accept Medicare?
- Joseph Chambers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Chambers's NPI active?
- Yes — Joseph Chambers's NPI (1376543645) is active in the NPPES registry as of the last update on 2023-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.