Christopher Kellogg, DO
NPI 1598260119 · Internal Medicine Physician · Watertown, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Kellogg, DO is a Internal Medicine Physician provider in Watertown, NY (NPI 1598260119).
Provider details
- NPI number
- 1598260119
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 308621 (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
8 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
6,330 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 | 884 | $126 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 725 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 630 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 605 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 585 | $8 |
| Magnesium Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 183 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 658 | 170 |
| Amlodipine Besylate | 442 | 122 |
| Levothyroxine Sodium | 376 | 95 |
| Losartan Potassium | 372 | 97 |
| Gabapentin | 339 | 65 |
| Omeprazole | 334 | 107 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$786 across 27 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
- 2018-03-26
- Last updated
- 2022-11-17
- Certified
- 2022-11-17
Frequently asked questions
- What is Christopher Kellogg's NPI number?
- Christopher Kellogg's National Provider Identifier (NPI) is 1598260119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Kellogg's specialty?
- Christopher Kellogg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Kellogg located?
- Christopher Kellogg's practice location on file with NPPES is 53-59 Public Sq Ste 301, Watertown, NY 13601-2674.
- What is Christopher Kellogg's phone number?
- The practice phone number listed in the NPPES registry for Christopher Kellogg is (315) 782-2141.
- Does Christopher Kellogg accept Medicare?
- Christopher Kellogg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Kellogg's NPI active?
- Yes — Christopher Kellogg's NPI (1598260119) is active in the NPPES registry as of the last update on 2022-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.