Gerald Dryden, MD
NPI 1619969011 · Gastroenterology Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Dryden, MD is a Gastroenterology Physician provider in Louisville, KY (NPI 1619969011).
Provider details
- NPI number
- 1619969011
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33791 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
94 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 | 31 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $62 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 17 | $74 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 15 | $94 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 12 | $235 |
Typical Medicare-allowed amounts for these services range $62–$235 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Upadacitinibbrand: Rinvoq | 60 | — |
| Ustekinumabbrand: Stelara | 46 | — |
| Omeprazole | 44 | 15 |
| Promethazine Hcl | 34 | — |
| Mesalamine | 32 | — |
| Pantoprazole Sodium | 32 | 12 |
| Vonoprazan Fumaratebrand: Voquezna | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$535,577 across 324 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
- 2005-08-22
- Last updated
- 2017-02-14
Frequently asked questions
- What is Gerald Dryden's NPI number?
- Gerald Dryden's National Provider Identifier (NPI) is 1619969011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Dryden's specialty?
- Gerald Dryden is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Dryden located?
- Gerald Dryden's practice location on file with NPPES is 401 E Chestnut St, Louisville, KY 40202-5700.
- What is Gerald Dryden's phone number?
- The practice phone number listed in the NPPES registry for Gerald Dryden is (502) 584-8563.
- Does Gerald Dryden accept Medicare?
- Gerald Dryden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Dryden's NPI active?
- Yes — Gerald Dryden's NPI (1619969011) is active in the NPPES registry as of the last update on 2017-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.