Mark Erhardt, D.O.
NPI 1770546640 · Family Medicine Physician · Bartlesville, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Erhardt, D.O. is a Family Medicine Physician provider in Bartlesville, OK (NPI 1770546640).
Provider details
- NPI number
- 1770546640
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 4367 (OK)
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
2,290 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 | 899 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 382 | $81 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 157 | $13 |
| Hemoglobin A1c Level83036 | 154 | $9 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 138 | $123 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 416 | 80 |
| Levothyroxine Sodium | 404 | 143 |
| Rosuvastatin Calcium | 383 | 145 |
| Atorvastatin Calcium | 251 | 99 |
| Lisinopril | 236 | 82 |
| Pantoprazole Sodium | 224 | 85 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$788 across 38 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
- 2006-04-10
- Last updated
- 2010-06-29
Frequently asked questions
- What is Mark Erhardt's NPI number?
- Mark Erhardt's National Provider Identifier (NPI) is 1770546640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Erhardt's specialty?
- Mark Erhardt is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Erhardt located?
- Mark Erhardt's practice location on file with NPPES is 4150 Se Adams Rd, Bartlesville, OK 74006-8410.
- What is Mark Erhardt's phone number?
- The practice phone number listed in the NPPES registry for Mark Erhardt is (918) 331-9979.
- Does Mark Erhardt accept Medicare?
- Mark Erhardt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Erhardt's NPI active?
- Yes — Mark Erhardt's NPI (1770546640) is active in the NPPES registry as of the last update on 2010-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.