Quick answers
- Does Annamaria Giehl accept Medicare assignment?
- Yes. Medicare's clinician data says Annamaria Giehl 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 Annamaria Giehl see?
- In 2024, CMS data shows 137 Original Medicare patients and 337 services for Annamaria Giehl. This counts Original Medicare only and measures volume, not quality.
- What is Annamaria Giehl's NPI number?
- 1114361987. 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 Annamaria Giehl, 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 | 137 |
|---|---|
| Services billed to Medicare | 337 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Advance care planning, first 30 minutes (99497)140 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)82 services
- Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)54 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)27 services
- Telephone medical discussion with physician, 21-30 minutes (99443)18 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%
- Alzheimer's disease or dementia66%
- Depression59%
- Diabetes53%
- Arthritis49%
Practice locations
Addresses where Annamaria Giehl is enrolled with Medicare (CMS data updated October 2, 2026).
- 211 E 79th StNew York, NY 10075 (212) 879‑1600
- 622 W 168th StNew York, NY 10032 (212) 305‑9876
Group practices
Medicare enrollment lists Annamaria Giehl as a member of these groups (CMS data updated October 2, 2026).
- Trustees of Columbia University in the City of New York2,296 clinicians in the group
- Nodar Janas MD PC7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Trustees of Columbia University in the City of New York
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114361987 |
| 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