Gregory Jansyn, DPM
NPI 1639250632 · Primary Podiatric Medicine Podiatrist · Bloomingdale, IL
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Jansyn, DPM is a Primary Podiatric Medicine Podiatrist provider in Bloomingdale, IL (NPI 1639250632).
Provider details
- NPI number
- 1639250632
- Entity type
- Individual
- Primary specialty
- Primary Podiatric Medicine PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- No
- License
- 016-003968 (IL)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Podiatric Medicine & Surgery Service Providers
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
412 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 180 | $94 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 158 | $58 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 25 | $24 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 20 | $46 |
| Biopsy of Fingernail Or Toenail11755 | 15 | $126 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2011-01-09
Frequently asked questions
- What is Gregory Jansyn's NPI number?
- Gregory Jansyn's National Provider Identifier (NPI) is 1639250632, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Jansyn's specialty?
- Gregory Jansyn is listed in the NPPES registry with a primary specialty of Primary Podiatric Medicine Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Gregory Jansyn located?
- Gregory Jansyn's practice location on file with NPPES is 303 E Army Trail Rd, Bloomingdale, IL 60108-2169.
- What is Gregory Jansyn's phone number?
- The practice phone number listed in the NPPES registry for Gregory Jansyn is (630) 893-3668.
- Does Gregory Jansyn accept Medicare?
- Gregory Jansyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Jansyn's NPI active?
- Yes — Gregory Jansyn's NPI (1639250632) is active in the NPPES registry as of the last update on 2011-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.