Harold Silver, M.D.
NPI 1861461899 · Gastroenterology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Silver, M.D. is a Gastroenterology Physician provider in Knoxville, TN (NPI 1861461899).
Provider details
- NPI number
- 1861461899
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9663 (TN)
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
1,054 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 335 | $159 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 215 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 86 | $114 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 71 | $157 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 55 | $122 |
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 |
|---|---|---|
| Omeprazole | 531 | 184 |
| Esomeprazole Magnesium | 203 | 71 |
| Metoclopramide Hcl | 147 | 131 |
| Ondansetronbrand: Ondansetron Odt | 136 | 33 |
| Lansoprazole | 123 | 39 |
| Pantoprazole Sodium | 118 | 38 |
| Sucralfate | 106 | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,622 across 92 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
- 2006-03-14
- Last updated
- 2020-01-16
- Certified
- 2020-01-16
Frequently asked questions
- What is Harold Silver's NPI number?
- Harold Silver's National Provider Identifier (NPI) is 1861461899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Silver's specialty?
- Harold Silver is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Silver located?
- Harold Silver's practice location on file with NPPES is 10800 Parkside Dr Ste 201, Knoxville, TN 37934-1922.
- What is Harold Silver's phone number?
- The practice phone number listed in the NPPES registry for Harold Silver is (865) 531-4724.
- Does Harold Silver accept Medicare?
- Harold Silver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Silver's NPI active?
- Yes — Harold Silver's NPI (1861461899) is active in the NPPES registry as of the last update on 2020-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.