Sumac Diaz, MD
NPI 1225094253 · Specialist · Richmond, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sumac Diaz, MD is a Specialist provider in Richmond, VA (NPI 1225094253).
Provider details
- NPI number
- 1225094253
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101230549 (VA)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
401 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 278 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 64 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 40 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 19 | $125 |
Typical Medicare-allowed amounts for these services range $75–$125 (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
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2010-06-01
Frequently asked questions
- What is Sumac Diaz's NPI number?
- Sumac Diaz's National Provider Identifier (NPI) is 1225094253, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sumac Diaz's specialty?
- Sumac Diaz is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sumac Diaz located?
- Sumac Diaz's practice location on file with NPPES is 7107 Jahnke Rd, Richmond, VA 23225.
- What is Sumac Diaz's phone number?
- The practice phone number listed in the NPPES registry for Sumac Diaz is (804) 320-4967.
- Does Sumac Diaz accept Medicare?
- Sumac Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sumac Diaz's NPI active?
- Yes — Sumac Diaz's NPI (1225094253) is active in the NPPES registry as of the last update on 2010-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.