James Keegan, MD
NPI 1023118619 · Infectious Disease Physician · Rapid City, SD
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Keegan, MD is a Infectious Disease Physician provider in Rapid City, SD (NPI 1023118619).
Provider details
- NPI number
- 1023118619
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 3381 (SD)
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
19 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
154 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 | 68 | $87 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 38 | $62 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 29 | $65 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $124 |
Typical Medicare-allowed amounts for these services range $62–$124 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 34 | — |
| Cephalexin | 32 | 12 |
| Azithromycin | 31 | — |
| Amoxicillin | 26 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | — |
| Ethambutol Hcl | 18 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 13 | — |
| Rifampin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-23
- Last updated
- 2013-07-30
Frequently asked questions
- What is James Keegan's NPI number?
- James Keegan's National Provider Identifier (NPI) is 1023118619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Keegan's specialty?
- James Keegan is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Keegan located?
- James Keegan's practice location on file with NPPES is 4940 5th St, Rapid City, SD 57701-6025.
- What is James Keegan's phone number?
- The practice phone number listed in the NPPES registry for James Keegan is (605) 342-8329.
- Does James Keegan accept Medicare?
- James Keegan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Keegan's NPI active?
- Yes — James Keegan's NPI (1023118619) is active in the NPPES registry as of the last update on 2013-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.