Quick answers
- Does Jocelyn Guillen accept Medicare assignment?
- Yes. Medicare's clinician data says Jocelyn Guillen 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 Jocelyn Guillen see?
- In 2024, CMS data shows 178 Original Medicare patients and 774 services for Jocelyn Guillen. This counts Original Medicare only and measures volume, not quality.
- What is Jocelyn Guillen's NPI number?
- 1750777116. 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 Jocelyn Guillen, 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 | 178 |
|---|---|
| Services billed to Medicare | 774 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)132 services
- X-ray of foot, 2 views (73620)81 services
- X-ray of heel, minimum of 2 views (73650)79 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)57 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)49 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 cholesterol75%
- High blood pressure74%
- Arthritis53%
- Diabetes37%
- Chronic kidney disease24%
- Ischemic heart disease22%
Hospitals where Jocelyn Guillen works
Medicare's Facility Affiliation Data lists Jocelyn Guillen 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.
- Johns Hopkins Howard County Medical CenterColumbia, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210048
Practice locations
Addresses where Jocelyn Guillen is enrolled with Medicare (CMS data updated October 2, 2026).
- 8860 Columbia 100 Pkwy, Suite 205Columbia, MD 21045 (714) 829‑8201
Group practices
Medicare enrollment lists Jocelyn Guillen as a member of this group (CMS data updated October 2, 2026).
- Howard County Foot and Ankle2 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.
Other clinicians in Howard County Foot and Ankle
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | Temple University School Of Podiatric Medicine |
| Graduation year | 2015 (11 years since podiatric medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750777116 |
| 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