Erika Grigg, M.D.
NPI 1487774410 · Gastroenterology Physician · Kingsport, TN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erika Grigg, M.D. is a Gastroenterology Physician provider in Kingsport, TN (NPI 1487774410).
Provider details
- NPI number
- 1487774410
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 061438 (GA)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
757 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 277 | $32 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 145 | $117 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 76 | $112 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 55 | $233 |
| Dilation of Esophagus43450 | 45 | $37 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
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 |
|---|---|---|
| Famotidine | 156 | 64 |
| Pantoprazole Sodium | 155 | 73 |
| Omeprazole | 155 | 60 |
| Dicyclomine Hcl | 89 | 45 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 87 | 86 |
| Linaclotidebrand: Linzess | 75 | 30 |
| Esomeprazole Magnesium | 63 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,005 across 54 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 (2)
- 240 Medical Park Blvd Ste 2700Bristol, TN 37620-7352Phone: (423) 274-6365Fax: (423) 990-2492
- 105 W Stone Dr # 2bKingsport, TN 37660-3365Phone: (423) 578-1595Fax: (423) 578-1596
Registry dates
- Enumerated
- 2007-03-31
- Last updated
- 2023-05-25
- Certified
- 2023-05-25
Frequently asked questions
- What is Erika Grigg's NPI number?
- Erika Grigg's National Provider Identifier (NPI) is 1487774410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erika Grigg's specialty?
- Erika Grigg is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Erika Grigg located?
- Erika Grigg's practice location on file with NPPES is 135 W Ravine Rd, Kingsport, TN 37660-3847.
- What is Erika Grigg's phone number?
- The practice phone number listed in the NPPES registry for Erika Grigg is (423) 246-6777.
- Does Erika Grigg accept Medicare?
- Erika Grigg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erika Grigg's NPI active?
- Yes — Erika Grigg's NPI (1487774410) is active in the NPPES registry as of the last update on 2023-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.