Caspian Folmsbee, M.D.
NPI 1720306640 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caspian Folmsbee, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1720306640).
Provider details
- NPI number
- 1720306640
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125:057563 (IL)
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
16 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
455 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 | 242 | $132 |
| Hemoglobin A1c Level83036 | 75 | $10 |
| Administration of Influenza Virus VaccineG0008 | 40 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $94 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 33 | $133 |
| Admn Sarscov2 Vacc 1 Dose90480 | 16 | $45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 300 | 109 |
| Amlodipine Besylate | 221 | 71 |
| Lisinopril | 148 | 42 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 104 | 16 |
| Hydrochlorothiazide | 103 | 35 |
| Nifedipinebrand: Nifedipine Er | 96 | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-17
- Last updated
- 2013-03-27
Frequently asked questions
- What is Caspian Folmsbee's NPI number?
- Caspian Folmsbee's National Provider Identifier (NPI) is 1720306640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caspian Folmsbee's specialty?
- Caspian Folmsbee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Caspian Folmsbee located?
- Caspian Folmsbee's practice location on file with NPPES is 1653 W Congress Pkwy, Chicago, IL 60612-3833.
- What is Caspian Folmsbee's phone number?
- The practice phone number listed in the NPPES registry for Caspian Folmsbee is (312) 563-2875.
- Does Caspian Folmsbee accept Medicare?
- Caspian Folmsbee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caspian Folmsbee's NPI active?
- Yes — Caspian Folmsbee's NPI (1720306640) is active in the NPPES registry as of the last update on 2013-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.