Michael Marshall, D.O.
NPI 1568809465 · Family Medicine Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Marshall, D.O. is a Family Medicine Physician provider in Greenville, SC (NPI 1568809465).
Provider details
- NPI number
- 1568809465
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OP60591635 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,402 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 336 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 224 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 141 | $59 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 119 | $121 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 111 | $46 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 282 | 85 |
| Atorvastatin Calcium | 262 | 80 |
| Levothyroxine Sodium | 211 | 52 |
| Omeprazole | 153 | 50 |
| Rosuvastatin Calcium | 143 | 44 |
| Lisinopril | 131 | 46 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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 (2)
- 1298 Woodruff RdGreenville, SC 29607-5754Phone: (864) 236-4700Fax: (864) 236-4701
- 1322 3rd Street Se, Suite 240, Ms 1322-2-EfmEast Pierce Family MedicinePuyallup, WA 98371-0192Phone: (253) 697-1420Fax: (253) 697-1439
Registry dates
- Enumerated
- 2013-05-31
- Last updated
- 2024-05-01
- Certified
- 2024-05-01
Frequently asked questions
- What is Michael Marshall's NPI number?
- Michael Marshall's National Provider Identifier (NPI) is 1568809465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marshall's specialty?
- Michael Marshall is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Marshall located?
- Michael Marshall's practice location on file with NPPES is 215 Halton Rd, Greenville, SC 29607-3509.
- What is Michael Marshall's phone number?
- The practice phone number listed in the NPPES registry for Michael Marshall is (864) 454-2700.
- Does Michael Marshall accept Medicare?
- Michael Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Marshall's NPI active?
- Yes — Michael Marshall's NPI (1568809465) is active in the NPPES registry as of the last update on 2024-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.