Earl Marshall, MD
NPI 1699296012 · Family Medicine Physician · Monroe, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Earl Marshall, MD is a Family Medicine Physician provider in Monroe, MI (NPI 1699296012).
Provider details
- NPI number
- 1699296012
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301500770 (MI)
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
9 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
17 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 | 17 | $127 |
Typical Medicare-allowed amounts for these services range $127–$127 (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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 65 | 14 |
| Gabapentin | 54 | — |
| Atorvastatin Calcium | 50 | 16 |
| Losartan Potassium | 42 | — |
| Metformin Hcl | 41 | 12 |
| Omeprazole | 36 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-07-06
- Last updated
- 2020-08-18
- Certified
- 2020-08-18
Frequently asked questions
- What is Earl Marshall's NPI number?
- Earl Marshall's National Provider Identifier (NPI) is 1699296012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Earl Marshall's specialty?
- Earl Marshall is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Earl Marshall located?
- Earl Marshall's practice location on file with NPPES is 1086 N Monroe St, Monroe, MI 48162-3193.
- What is Earl Marshall's phone number?
- The practice phone number listed in the NPPES registry for Earl Marshall is (734) 244-5380.
- Does Earl Marshall accept Medicare?
- Earl Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Earl Marshall's NPI active?
- Yes — Earl Marshall's NPI (1699296012) is active in the NPPES registry as of the last update on 2020-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.