Erik Crook, M.D.
NPI 1659449544 · Internal Medicine Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erik Crook, M.D. is a Internal Medicine Physician provider in Columbia, SC (NPI 1659449544).
Provider details
- NPI number
- 1659449544
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 28121 (SC)
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
19 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
8,888 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,177 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,079 | $120 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 803 | $8 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 675 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 619 | $10 |
| Automated Urinalysis Test81003 | 557 | $2 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 160 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 462 | 120 |
| Atorvastatin Calcium | 454 | 116 |
| Amlodipine Besylate | 454 | 119 |
| Rosuvastatin Calcium | 426 | 138 |
| Pantoprazole Sodium | 321 | 102 |
| Losartan Potassium | 307 | 84 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$940 across 51 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
- 2006-12-01
- Last updated
- 2020-10-21
- Certified
- 2020-10-21
Frequently asked questions
- What is Erik Crook's NPI number?
- Erik Crook's National Provider Identifier (NPI) is 1659449544, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Crook's specialty?
- Erik Crook is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Erik Crook located?
- Erik Crook's practice location on file with NPPES is 4540 Trenholm Rd, Columbia, SC 29206-4462.
- What is Erik Crook's phone number?
- The practice phone number listed in the NPPES registry for Erik Crook is (803) 790-4700.
- Does Erik Crook accept Medicare?
- Erik Crook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erik Crook's NPI active?
- Yes — Erik Crook's NPI (1659449544) is active in the NPPES registry as of the last update on 2020-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.