Dorene Holcombe, C.R.N.P.
NPI 1215989884 · Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dorene Holcombe, C.R.N.P. is a Nurse Practitioner provider in Baltimore, MD (NPI 1215989884).
Provider details
- NPI number
- 1215989884
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- C.R.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- R118883 (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
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
38 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) |
|---|---|---|
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 19 | $306 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 19 | $254 |
Typical Medicare-allowed amounts for these services range $254–$306 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 115 | 23 |
| Calcium Acetate | 69 | 19 |
| Carvedilol | 41 | — |
| Nifedipinebrand: Nifedipine Er | 28 | 12 |
| Sucroferric Oxyhydroxidebrand: Velphoro | 24 | — |
| Losartan Potassium | 24 | — |
| Atorvastatin Calcium | 20 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2010-03-15
Frequently asked questions
- What is Dorene Holcombe's NPI number?
- Dorene Holcombe's National Provider Identifier (NPI) is 1215989884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dorene Holcombe's specialty?
- Dorene Holcombe is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dorene Holcombe located?
- Dorene Holcombe's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Dorene Holcombe's phone number?
- The practice phone number listed in the NPPES registry for Dorene Holcombe is (410) 955-9434.
- Does Dorene Holcombe accept Medicare?
- Dorene Holcombe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dorene Holcombe's NPI active?
- Yes — Dorene Holcombe's NPI (1215989884) is active in the NPPES registry as of the last update on 2010-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.