Elizabeth Marshall, MD
NPI 1689026395 · Family Medicine Physician · Frankenmuth, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Marshall, MD is a Family Medicine Physician provider in Frankenmuth, MI (NPI 1689026395).
Provider details
- NPI number
- 1689026395
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301119381 (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
433 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 | 327 | $86 |
| Hemoglobin A1c Level83036 | 35 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 31 | $48 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $69 |
| Administration of Influenza Virus VaccineG0008 | 16 | $31 |
Typical Medicare-allowed amounts for these services range $9–$86 (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 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 437 | 124 |
| Atorvastatin Calcium | 410 | 118 |
| Amlodipine Besylate | 352 | 102 |
| Simvastatin | 330 | 90 |
| Lisinopril | 312 | 85 |
| Losartan Potassium | 273 | 85 |
| Omeprazole | 232 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-06
- Last updated
- 2021-04-06
- Certified
- 2021-04-06
Frequently asked questions
- What is Elizabeth Marshall's NPI number?
- Elizabeth Marshall's National Provider Identifier (NPI) is 1689026395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Marshall's specialty?
- Elizabeth Marshall is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Marshall located?
- Elizabeth Marshall's practice location on file with NPPES is 1027 W Genesee St, Frankenmuth, MI 48734-1302.
- What is Elizabeth Marshall's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Marshall is (989) 652-5210.
- Does Elizabeth Marshall accept Medicare?
- Elizabeth Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Marshall's NPI active?
- Yes — Elizabeth Marshall's NPI (1689026395) is active in the NPPES registry as of the last update on 2021-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.