Lauren Oshman, MD
NPI 1740403609 · Family Medicine Physician · Chelsea, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Oshman, MD is a Family Medicine Physician provider in Chelsea, MI (NPI 1740403609).
Provider details
- NPI number
- 1740403609
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036.130135 (IL)
Specialties & taxonomies
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
139 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 58 | $97 |
| 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 | 32 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 20 | $145 |
Typical Medicare-allowed amounts for these services range $16–$145 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 112 | 43 |
| Levothyroxine Sodium | 96 | 29 |
| Omeprazole | 92 | 25 |
| Gabapentin | 76 | 19 |
| Losartan Potassium | 51 | 17 |
| Lisinopril | 51 | 16 |
| Alendronate Sodium | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-10
- Last updated
- 2020-10-19
- Certified
- 2020-10-19
Frequently asked questions
- What is Lauren Oshman's NPI number?
- Lauren Oshman's National Provider Identifier (NPI) is 1740403609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Oshman's specialty?
- Lauren Oshman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Oshman located?
- Lauren Oshman's practice location on file with NPPES is 14700 E Old US Highway 12, Chelsea, MI 48118-1185.
- What is Lauren Oshman's phone number?
- The practice phone number listed in the NPPES registry for Lauren Oshman is (734) 475-1321.
- Does Lauren Oshman accept Medicare?
- Lauren Oshman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Oshman's NPI active?
- Yes — Lauren Oshman's NPI (1740403609) is active in the NPPES registry as of the last update on 2020-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.