Stephen Park, M.D.
NPI 1649407289 · Gastroenterology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Park, M.D. is a Gastroenterology Physician provider in Rockville, MD (NPI 1649407289).
Provider details
- NPI number
- 1649407289
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101248589 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
681 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 | 160 | $131 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 127 | $71 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 105 | $89 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 73 | $247 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 69 | $171 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 327 | 129 |
| Famotidine | 159 | 71 |
| Omeprazole | 98 | 38 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 65 | 62 |
| Dicyclomine Hcl | 42 | 18 |
| Esomeprazole Magnesium | 34 | 12 |
| Sucralfate | 29 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,501 across 70 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
Additional practice locations (1)
- 56 Thomas Johnson Dr Ste 110Frederick, MD 21702-4859Phone: (301) 251-1244
Registry dates
- Enumerated
- 2009-06-22
- Last updated
- 2020-07-13
- Certified
- 2020-07-13
Frequently asked questions
- What is Stephen Park's NPI number?
- Stephen Park's National Provider Identifier (NPI) is 1649407289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Park's specialty?
- Stephen Park is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Park located?
- Stephen Park's practice location on file with NPPES is 9711 Medical Center Dr Ste 308, Rockville, MD 20850-3388.
- What is Stephen Park's phone number?
- The practice phone number listed in the NPPES registry for Stephen Park is (301) 251-1244.
- Does Stephen Park accept Medicare?
- Stephen Park is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Park's NPI active?
- Yes — Stephen Park's NPI (1649407289) is active in the NPPES registry as of the last update on 2020-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.