Hayden Spencer, M.D.
NPI 1164874533 · Surgical Critical Care Physician · Bronx, NY
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hayden Spencer, M.D. is a Surgical Critical Care Physician provider in Bronx, NY (NPI 1164874533).
Provider details
- NPI number
- 1164874533
- Entity type
- Individual
- Primary specialty
- Surgical Critical Care PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 309793 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
309 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 101 | $88 |
| Critical Care, First 30-74 Minutes99291 | 73 | $238 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 43 | $132 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 37 | $55 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 22 | $93 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$948 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-08
- Last updated
- 2022-08-15
- Certified
- 2022-08-15
Frequently asked questions
- What is Hayden Spencer's NPI number?
- Hayden Spencer's National Provider Identifier (NPI) is 1164874533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hayden Spencer's specialty?
- Hayden Spencer is listed in the NPPES registry with a primary specialty of Surgical Critical Care Physician (Allopathic & Osteopathic Physicians).
- Where is Hayden Spencer located?
- Hayden Spencer's practice location on file with NPPES is 234 East 149th Street, Bronx, NY 10451.
- What is Hayden Spencer's phone number?
- The practice phone number listed in the NPPES registry for Hayden Spencer is (718) 579-5900.
- Does Hayden Spencer accept Medicare?
- Hayden Spencer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hayden Spencer's NPI active?
- Yes — Hayden Spencer's NPI (1164874533) is active in the NPPES registry as of the last update on 2022-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.