Nirmaan Dayal, M.D.
NPI 1629431341 · Diagnostic Radiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nirmaan Dayal, M.D. is a Diagnostic Radiology Physician provider in San Francisco, CA (NPI 1629431341).
Provider details
- NPI number
- 1629431341
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A181032 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,924 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,173 | $9 |
| Ct Scan Head Or Brain Without Contrast70450 | 312 | $42 |
| X-Ray of Chest, 2 Views71046 | 280 | $11 |
| X-Ray of Knee, 4 Or More Views73564 | 234 | $12 |
| X-Ray of Hip, 2-3 Views73502 | 233 | $11 |
| X-Ray of Knee, 3 Views73562 | 197 | $10 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 193 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$103 across 1 record (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
Additional practice locations (1)
- 1304 Fawcett Ave Ste 100Tacoma, WA 98402-1900Phone: (253) 761-4200
Registry dates
- Enumerated
- 2016-03-30
- Last updated
- 2025-11-24
- Certified
- 2025-11-24
Frequently asked questions
- What is Nirmaan Dayal's NPI number?
- Nirmaan Dayal's National Provider Identifier (NPI) is 1629431341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nirmaan Dayal's specialty?
- Nirmaan Dayal is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nirmaan Dayal located?
- Nirmaan Dayal's practice location on file with NPPES is 450 Stanyan St, San Francisco, CA 94117-1019.
- What is Nirmaan Dayal's phone number?
- The practice phone number listed in the NPPES registry for Nirmaan Dayal is (415) 570-5770.
- Does Nirmaan Dayal accept Medicare?
- Nirmaan Dayal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nirmaan Dayal's NPI active?
- Yes — Nirmaan Dayal's NPI (1629431341) is active in the NPPES registry as of the last update on 2025-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.