Tiffany Groen, D.O.
NPI 1609019538 · Family Medicine Physician · New Lenox, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Groen, D.O. is a Family Medicine Physician provider in New Lenox, IL (NPI 1609019538).
Provider details
- NPI number
- 1609019538
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 036133259 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,851 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 565 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 398 | $132 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 211 | $9 |
| Advance Care Planning, First 30 Minutes99497 | 180 | $77 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 170 | $49 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 322 | 109 |
| Levothyroxine Sodium | 308 | 87 |
| Losartan Potassium | 189 | 56 |
| Amlodipine Besylate | 187 | 59 |
| Lisinopril | 161 | 46 |
| Simvastatin | 144 | 38 |
| Hydrochlorothiazide | 125 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$833 across 45 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-08
- Last updated
- 2020-02-12
- Certified
- 2020-02-12
Frequently asked questions
- What is Tiffany Groen's NPI number?
- Tiffany Groen's National Provider Identifier (NPI) is 1609019538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Groen's specialty?
- Tiffany Groen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tiffany Groen located?
- Tiffany Groen's practice location on file with NPPES is 1900 Silver Cross Blvd Ste 120, New Lenox, IL 60451-9509.
- What is Tiffany Groen's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Groen is (815) 469-8806.
- Does Tiffany Groen accept Medicare?
- Tiffany Groen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Groen's NPI active?
- Yes — Tiffany Groen's NPI (1609019538) is active in the NPPES registry as of the last update on 2020-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.