John Curtiss
NPI 1023402997 · Internal Medicine Physician · Durham, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Curtiss is a Internal Medicine Physician provider in Durham, NC (NPI 1023402997).
Provider details
- NPI number
- 1023402997
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 209558 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
343 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 | 176 | $72 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 98 | $110 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 50 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 19 | $162 |
Typical Medicare-allowed amounts for these services range $72–$162 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 17 | — |
| Quetiapine Fumarate | 15 | — |
| Famotidine | 14 | — |
| Lisinopril | 14 | — |
| Propranolol Hcl | 14 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 12 |
| Simvastatin | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-27
- Last updated
- 2023-06-09
- Certified
- 2023-06-09
Frequently asked questions
- What is John Curtiss's NPI number?
- John Curtiss's National Provider Identifier (NPI) is 1023402997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Curtiss's specialty?
- John Curtiss is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Curtiss located?
- John Curtiss's practice location on file with NPPES is 3643 N Roxboro St, Durham, NC 27704-2702.
- What is John Curtiss's phone number?
- The practice phone number listed in the NPPES registry for John Curtiss is (919) 470-4000.
- Does John Curtiss accept Medicare?
- John Curtiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Curtiss's NPI active?
- Yes — John Curtiss's NPI (1023402997) is active in the NPPES registry as of the last update on 2023-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.