Bertha Ayi, M.D. FACP
NPI 1083670343 · Infectious Disease Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bertha Ayi, M.D. FACP is a Infectious Disease Physician provider in Sioux Falls, SD (NPI 1083670343).
Provider details
- NPI number
- 1083670343
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. FACP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 22523 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
679 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 221 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 215 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 134 | $164 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $92 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 18 | $46 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefazolin Sodium | 33 | — |
| Azithromycin | 24 | 19 |
| Ciprofloxacin Hcl | 22 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 21 | — |
| Cephalexin | 18 | — |
| Daptomycin | 17 | — |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 16 | — |
| Vancomycin Hcl | 14 |
Practice location
Mailing address
Additional practice locations (1)
- 800 E Dawson StTyler, TX 75701-2036Phone: (903) 606-5149
Registry dates
- Enumerated
- 2006-04-25
- Last updated
- 2026-06-05
- Certified
- 2026-06-05
Frequently asked questions
- What is Bertha Ayi's NPI number?
- Bertha Ayi's National Provider Identifier (NPI) is 1083670343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bertha Ayi's specialty?
- Bertha Ayi is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Bertha Ayi located?
- Bertha Ayi's practice location on file with NPPES is 1205 S Grange Ave Ste 401, Sioux Falls, SD 57105-0410.
- What is Bertha Ayi's phone number?
- The practice phone number listed in the NPPES registry for Bertha Ayi is (712) 226-4437.
- Does Bertha Ayi accept Medicare?
- Bertha Ayi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bertha Ayi's NPI active?
- Yes — Bertha Ayi's NPI (1083670343) is active in the NPPES registry as of the last update on 2026-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.