Quick answers
- Does John R. Crockarell Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says John R. Crockarell Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does John R. Crockarell Jr. see?
- In 2024, CMS data shows 2,178 Original Medicare patients and 38,377 services for John R. Crockarell Jr.. This counts Original Medicare only and measures volume, not quality.
- What is John R. Crockarell Jr.'s NPI number?
- 1427044197. 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 John R. Crockarell Jr., 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 | 2,178 |
|---|---|
| Services billed to Medicare | 38,377 |
| Different services or procedures | 91 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)25,736 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)2,211 services
- Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)1,776 services
- Therapy procedure using manual technique, each 15 minutes (97140)1,154 services
- Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)983 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).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Ischemic heart disease30%
- Diabetes26%
- Anxiety22%
Hospitals where John R. Crockarell Jr. works
Medicare's Facility Affiliation Data lists John R. Crockarell Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Baptist Memorial HospitalMemphis, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440048
- Methodist Hospitals of MemphisMemphis, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440049
Practice locations
Addresses where John R. Crockarell Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 S Germantown RdGermantown, TN 38138 (901) 759‑3100
- 1900 W Poplar AveCollierville, TN 38017 (901) 759‑3100
- 7545 Airways BlvdSouthaven, MS 38671 (901) 759‑3196
- 7887 Wolf River BlvdGermantown, TN 38138 (901) 759‑3100
Group practices
Medicare enrollment lists John R. Crockarell Jr. as a member of this group (CMS data updated October 2, 2026).
- Campbell Clinic, PC239 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Germantown
Clinicians with the same Medicare primary specialty in Germantown, TN — not a recommendation.
Other clinicians in Campbell Clinic, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427044197 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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