Gregory Chambers, PA-C
NPI 1861625683 · Medical Physician Assistant · Columbia, SC
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Chambers, PA-C is a Medical Physician Assistant provider in Columbia, SC (NPI 1861625683).
Provider details
- NPI number
- 1861625683
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- MA053992 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
253 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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 100 | $61 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 65 | $97 |
| 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 | 63 | $13 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 25 | $102 |
Typical Medicare-allowed amounts for these services range $13–$102 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trimethoprim | 222 | 87 |
| Solifenacin Succinate | 127 | 38 |
| Tamsulosin Hcl | 65 | 20 |
| Cephalexin | 48 | 30 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 36 | 13 |
| Mirabegronbrand: Myrbetriq | 33 | 11 |
| Finasteride | 26 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-08-27
- Last updated
- 2023-10-27
Frequently asked questions
- What is Gregory Chambers's NPI number?
- Gregory Chambers's National Provider Identifier (NPI) is 1861625683, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Chambers's specialty?
- Gregory Chambers is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Chambers located?
- Gregory Chambers's practice location on file with NPPES is Sc House Calls Inc, Columbia, SC 29203.
- What is Gregory Chambers's phone number?
- The practice phone number listed in the NPPES registry for Gregory Chambers is (800) 491-0909.
- Does Gregory Chambers accept Medicare?
- Gregory Chambers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Chambers's NPI active?
- Yes — Gregory Chambers's NPI (1861625683) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.