Nida Degesys, M.D.
NPI 1780001776 · Emergency Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nida Degesys, M.D. is a Emergency Medicine Physician provider in San Francisco, CA (NPI 1780001776).
Provider details
- NPI number
- 1780001776
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A140973 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
261 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 142 | $185 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 61 | $128 |
| Critical Care, First 30-74 Minutes99291 | 30 | $231 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 15 | $75 |
| Ultrasound of Heart, Follow-Up93308 | 13 | $27 |
Typical Medicare-allowed amounts for these services range $27–$231 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 900 Welch Rd Ste 350Palo Alto, CA 94304-1807Phone: (650) 723-4000
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2018-09-06
Frequently asked questions
- What is Nida Degesys's NPI number?
- Nida Degesys's National Provider Identifier (NPI) is 1780001776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nida Degesys's specialty?
- Nida Degesys is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nida Degesys located?
- Nida Degesys's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143.
- What is Nida Degesys's phone number?
- The practice phone number listed in the NPPES registry for Nida Degesys is (415) 353-1529.
- Does Nida Degesys accept Medicare?
- Nida Degesys is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nida Degesys's NPI active?
- Yes — Nida Degesys's NPI (1780001776) is active in the NPPES registry as of the last update on 2018-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.