DR. JEFFREY G LEFLEIN (MD) – Allergy & Immunology Physician, NPI 1578544870
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
177 ALLERGY/IMMUNOLOGY in MI
Provider Addresses for DR. JEFFREY G LEFLEIN (MD)
2000 N HURON RIVER DR STE 200
YPSILANTI, MI 48197
Phone: (734) 434-3007
Fax: (734) 434-6317
Type: Location
4350 JACKSON RD STE 260
ANN ARBOR, MI 481031889
Phone: (734) 434-3007
Fax: (734) 434-6317
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $2,374.
Total Amount is formed as General ($99) + Research ($2,275) + Ownership ($0) = $2,374.
Last reported payment date: 2024-06-17 • Largest payer in this snapshot: Eli Lilly and Company ($2,275).
Total Amount
$2,374
General + Research + Ownership
Payments
4
Total payment records
General Amount
$99
General payments
Research Amount
$2,275
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Eli Lilly and Company | $2,275 |
| Regeneron Pharmaceuticals, Inc. | $85 |
| GENZYME CORPORATION | $15 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-08-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120810000676 | I | Allergy/Immunology | MI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 1,047 | 24 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 485 | 26 | $0 |
| 95117 | Professional service for multiple injections of allergen | 165 | 41 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 112 | 87 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 51 | 51 | $0 |
Insurance plans in this area (ZIP 48197)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| A L L E R G Y/ I M M U N O L O G Y | MI | |
| A L L E R G Y/ I M M U N O L O G Y | MI | |
| Pediatric Medicine, Allergy/Immunology | MI | |
| Allergy/Immunology, Internal Medicine | MI | |
| Pediatric Medicine, Allergy/Immunology | MI |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.