Mark Humphrey, D.O.
NPI 1831126648 · Family Medicine Physician · Oswego, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Humphrey, D.O. is a Family Medicine Physician provider in Oswego, NY (NPI 1831126648).
Provider details
- NPI number
- 1831126648
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 208644 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,633 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 284 | $121 |
| Automated Urinalysis Test81003 | 182 | $2 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 151 | $86 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury82570 | 143 | $5 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 132 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 120 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 374 | 113 |
| Atorvastatin Calcium | 262 | 90 |
| Amlodipine Besylate | 254 | 84 |
| Rosuvastatin Calcium | 233 | 83 |
| Pantoprazole Sodium | 175 | 53 |
| Metformin Hcl | 145 | 45 |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,182 across 72 records (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
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2023-03-29
- Certified
- 2023-03-29
Frequently asked questions
- What is Mark Humphrey's NPI number?
- Mark Humphrey's National Provider Identifier (NPI) is 1831126648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Humphrey's specialty?
- Mark Humphrey is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Humphrey located?
- Mark Humphrey's practice location on file with NPPES is 110 W Utica St, Oswego, NY 13126-3057.
- What is Mark Humphrey's phone number?
- The practice phone number listed in the NPPES registry for Mark Humphrey is (315) 342-2024.
- Does Mark Humphrey accept Medicare?
- Mark Humphrey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Humphrey's NPI active?
- Yes — Mark Humphrey's NPI (1831126648) is active in the NPPES registry as of the last update on 2023-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.