Jeffrey Tomlin, M.D.
NPI 1639163850 · Internal Medicine Physician · Mchenry, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Tomlin, M.D. is a Internal Medicine Physician provider in Mchenry, IL (NPI 1639163850).
Provider details
- NPI number
- 1639163850
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036092485 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
2,559 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 | 761 | $118 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 394 | $116 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 382 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 367 | $166 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 295 | $15 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,015 | 367 |
| Rosuvastatin Calcium | 433 | 165 |
| Lisinopril | 277 | 97 |
| Amlodipine Besylate | 271 | 101 |
| Metoprolol Succinate | 267 | 95 |
| Olmesartan/Hydrochlorothiazidebrand: Olmesartan-Hydrochlorothiazide | 217 | 78 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-02
- Last updated
- 2023-01-20
- Certified
- 2023-01-20
Frequently asked questions
- What is Jeffrey Tomlin's NPI number?
- Jeffrey Tomlin's National Provider Identifier (NPI) is 1639163850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Tomlin's specialty?
- Jeffrey Tomlin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Tomlin located?
- Jeffrey Tomlin's practice location on file with NPPES is 3633 Municipal Dr, Mchenry, IL 60050-5434.
- What is Jeffrey Tomlin's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Tomlin is (779) 244-3072.
- Does Jeffrey Tomlin accept Medicare?
- Jeffrey Tomlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Tomlin's NPI active?
- Yes — Jeffrey Tomlin's NPI (1639163850) is active in the NPPES registry as of the last update on 2023-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.