Quick answers
- Does Jessica V. Merkel-Keller accept Medicare assignment?
- Medicare's clinician data says Jessica V. Merkel-Keller may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Jessica V. Merkel-Keller see?
- In 2024, CMS data shows 64 Original Medicare patients and 315 services for Jessica V. Merkel-Keller. This counts Original Medicare only and measures volume, not quality.
- What is Jessica V. Merkel-Keller's NPI number?
- 1437448107. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jessica V. Merkel-Keller, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 64 |
|---|---|
| Services billed to Medicare | 315 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 57 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)108 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)96 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)39 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)17 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Depression70%
- Anxiety66%
- High blood pressure63%
- High cholesterol63%
- Arthritis41%
- Diabetes33%
Practice locations
Addresses where Jessica V. Merkel-Keller is enrolled with Medicare (CMS data updated October 2, 2026).
- 18670 Graphics Dr, Suite 200Tinley Park, IL 60477
- 252 Route 601Belle Mead, NJ 08502
Specialties
- Psychiatryprimary
Other psychiatrists in Tinley Park
Clinicians with the same Medicare primary specialty in Tinley Park, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1437448107 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians