Marshall Stai, D.O.
NPI 1659758233 · Internal Medicine Physician · Lexington, KY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marshall Stai, D.O. is a Internal Medicine Physician provider in Lexington, KY (NPI 1659758233).
Provider details
- NPI number
- 1659758233
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 04334 (KY)
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
11 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
564 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 | 223 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 115 | $126 |
| Hemoglobin A1c Level83036 | 58 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $87 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 32 | $174 |
| Administration of Influenza Virus VaccineG0008 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 279 | 83 |
| Atorvastatin Calcium | 260 | 84 |
| Gabapentin | 257 | 49 |
| Losartan Potassium | 218 | 65 |
| Levothyroxine Sodium | 137 | 43 |
| Omeprazole | 125 | 46 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,154 across 62 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
- 2015-05-02
- Last updated
- 2020-12-03
- Certified
- 2020-12-03
Frequently asked questions
- What is Marshall Stai's NPI number?
- Marshall Stai's National Provider Identifier (NPI) is 1659758233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Stai's specialty?
- Marshall Stai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Stai located?
- Marshall Stai's practice location on file with NPPES is 2108 Nicholasville Rd, Lexington, KY 40503.
- What is Marshall Stai's phone number?
- The practice phone number listed in the NPPES registry for Marshall Stai is (859) 278-9413.
- Does Marshall Stai accept Medicare?
- Marshall Stai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marshall Stai's NPI active?
- Yes — Marshall Stai's NPI (1659758233) is active in the NPPES registry as of the last update on 2020-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.