Jason Primer, M.D.
NPI 1487693628 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Primer, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1487693628).
Provider details
- NPI number
- 1487693628
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036099817 (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
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
1,346 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 | 462 | $136 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 236 | $139 |
| 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 | 152 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 117 | $96 |
| Hemoglobin A1c Level83036 | 106 | $10 |
| Administration of Pneumococcal Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 639 | 184 |
| Amlodipine Besylate | 409 | 114 |
| Atorvastatin Calcium | 350 | 98 |
| Levothyroxine Sodium | 298 | 74 |
| Metoprolol Succinate | 257 | 72 |
| Losartan Potassium | 199 | 57 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2014-08-22
Frequently asked questions
- What is Jason Primer's NPI number?
- Jason Primer's National Provider Identifier (NPI) is 1487693628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Primer's specialty?
- Jason Primer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Primer located?
- Jason Primer's practice location on file with NPPES is 676 N Saint Clair St, Chicago, IL 60611-2927.
- What is Jason Primer's phone number?
- The practice phone number listed in the NPPES registry for Jason Primer is (312) 926-6146.
- Does Jason Primer accept Medicare?
- Jason Primer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Primer's NPI active?
- Yes — Jason Primer's NPI (1487693628) is active in the NPPES registry as of the last update on 2014-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.