Chelsea Therrien, M.D.
NPI 1215391388 · Internal Medicine Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Therrien, M.D. is a Internal Medicine Physician provider in Tulsa, OK (NPI 1215391388).
Provider details
- NPI number
- 1215391388
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- S3938 (TX)
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
10 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
1,487 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 | 285 | $120 |
| 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 | 229 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 137 | $86 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 114 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 102 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 424 | 152 |
| Levothyroxine Sodium | 315 | 110 |
| Amlodipine Besylate | 251 | 93 |
| Rosuvastatin Calcium | 211 | 79 |
| Pantoprazole Sodium | 191 | 81 |
| Metformin Hcl | 182 | 56 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$893 across 43 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)
- 1900 North Loop W Ste 310Houston, TX 77018-8100Phone: (713) 442-3800
Registry dates
- Enumerated
- 2016-04-05
- Last updated
- 2025-12-30
- Certified
- 2025-12-30
Frequently asked questions
- What is Chelsea Therrien's NPI number?
- Chelsea Therrien's National Provider Identifier (NPI) is 1215391388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Therrien's specialty?
- Chelsea Therrien is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chelsea Therrien located?
- Chelsea Therrien's practice location on file with NPPES is 4502 E 41st St, Tulsa, OK 74135-2536.
- What is Chelsea Therrien's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Therrien is (918) 660-3464.
- Does Chelsea Therrien accept Medicare?
- Chelsea Therrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Therrien's NPI active?
- Yes — Chelsea Therrien's NPI (1215391388) is active in the NPPES registry as of the last update on 2025-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.