Quick answers
- Does Kathrin S. Serrao accept Medicare assignment?
- Yes. Medicare's clinician data says Kathrin S. Serrao 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 Kathrin S. Serrao see?
- In 2024, CMS data shows 155 Original Medicare patients and 1,007 services for Kathrin S. Serrao. This counts Original Medicare only and measures volume, not quality.
- What is Kathrin S. Serrao's NPI number?
- 1386179620. 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 Kathrin S. Serrao, 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 | 155 |
|---|---|
| Services billed to Medicare | 1,007 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)309 services
- Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)175 services
- Blood glucose (sugar) level (82947)64 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)54 services
- Ultrasound scan of head and neck soft tissue (76536)43 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%
- Diabetes75%
- Arthritis48%
- Ischemic heart disease42%
- Chronic kidney disease24%
Practice locations
Addresses where Kathrin S. Serrao is enrolled with Medicare (CMS data updated October 2, 2026).
- 1033 Clifton Ave, Suite 108Clifton, NJ 07013 (973) 577‑1995
Specialties
- Endocrinologyprimary
Other endocrinologists in Clifton
Clinicians with the same Medicare primary specialty in Clifton, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386179620 |
| 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