Michael Hammer, DO
NPI 1588784250 · Internal Medicine Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hammer, DO is a Internal Medicine Physician provider in Columbia, SC (NPI 1588784250).
Provider details
- NPI number
- 1588784250
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 1096 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,906 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) |
|---|---|---|
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99489 | 3,163 | $71 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 866 | $127 |
| 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 | 722 | $16 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 468 | $133 |
| Advance Care Planning, First 30 Minutes99497 | 162 | $82 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 57 | 32 |
| Meloxicam | 49 | 29 |
| Prednisone | 36 | 29 |
| Duloxetine Hcl | 34 | 18 |
| Doxycycline Hyclate | 32 | 29 |
| Atorvastatin Calcium | 26 | 16 |
| Amlodipine Besylate | 25 | 18 |
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
Additional practice locations (3)
- 624 Ellis StAugusta, GA 30901-1434Phone: (800) 491-0909
- 101 E Wood St Ste 401Spartanburg, SC 29303-3040Phone: (864) 560-6654Fax: (864) 560-7353
- 129 N Washington StSumter, SC 29150-4949Phone: (803) 774-9680
Registry dates
- Enumerated
- 2007-03-29
- Last updated
- 2025-10-21
- Certified
- 2025-10-21
Frequently asked questions
- What is Michael Hammer's NPI number?
- Michael Hammer's National Provider Identifier (NPI) is 1588784250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hammer's specialty?
- Michael Hammer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hammer located?
- Michael Hammer's practice location on file with NPPES is Sc House Calls Inc., Columbia, SC 29203.
- What is Michael Hammer's phone number?
- The practice phone number listed in the NPPES registry for Michael Hammer is (800) 491-0909.
- Does Michael Hammer accept Medicare?
- Michael Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hammer's NPI active?
- Yes — Michael Hammer's NPI (1588784250) is active in the NPPES registry as of the last update on 2025-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.