Sylvia Ndumu-Nunyi, CRNP
NPI 1649921115 · Family Nurse Practitioner · Rockville, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Ndumu-Nunyi, CRNP is a Family Nurse Practitioner provider in Rockville, MD (NPI 1649921115).
Provider details
- NPI number
- 1649921115
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- F11210731 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
4,398 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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 2,064 | $68 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,013 | $96 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 375 | $68 |
| Advance Care Planning, First 30 Minutes99497 | 233 | $68 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 156 | $99 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 77 | 25 |
| Oxycodone Hcl | 60 | 23 |
| Levothyroxine Sodium | 51 | 14 |
| Atorvastatin Calcium | 38 | 18 |
| Pregabalin | 34 | — |
| Gabapentin | 34 | 18 |
| Potassium Chloride | 33 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-01-15
- Last updated
- 2024-04-24
- Certified
- 2024-04-24
Frequently asked questions
- What is Sylvia Ndumu-Nunyi's NPI number?
- Sylvia Ndumu-Nunyi's National Provider Identifier (NPI) is 1649921115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Ndumu-Nunyi's specialty?
- Sylvia Ndumu-Nunyi is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sylvia Ndumu-Nunyi located?
- Sylvia Ndumu-Nunyi's practice location on file with NPPES is 10110 Molecular Dr Ste 114, Rockville, MD 20850-7538.
- What is Sylvia Ndumu-Nunyi's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Ndumu-Nunyi is (301) 780-4745.
- Does Sylvia Ndumu-Nunyi accept Medicare?
- Sylvia Ndumu-Nunyi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Ndumu-Nunyi's NPI active?
- Yes — Sylvia Ndumu-Nunyi's NPI (1649921115) is active in the NPPES registry as of the last update on 2024-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.