Ossama Lashin, MD, PHD
NPI 1851507586 · Endocrinology, Diabetes & Metabolism Physician · Lorain, OH
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ossama Lashin, MD, PHD is a Endocrinology, Diabetes & Metabolism Physician provider in Lorain, OH (NPI 1851507586).
Provider details
- NPI number
- 1851507586
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.088498 (OH)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
262 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 | 86 | $110 |
| 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 | 69 | $16 |
| Fine Needle Aspiration Biopsy Using Ultrasound Guidance, First Growth10005 | 43 | $69 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $135 |
| Online Digital Evaluation and Management Service for an Established Patient for Up to 7 Days, Total Time 5-10 Minutes99421 | 19 | $12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 378 | 126 |
| Methimazole | 104 | 30 |
| Levothyroxine Sodiumbrand: Synthroid | 99 | 31 |
| Liothyronine Sodium | 22 | — |
| Thyroid,porkbrand: Armour Thyroid | 18 | — |
| Hydrocortisone | 14 | — |
| Testosterone Cypionate | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,432 across 32 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
- 2007-05-16
- Last updated
- 2020-06-04
- Certified
- 2020-06-04
Frequently asked questions
- What is Ossama Lashin's NPI number?
- Ossama Lashin's National Provider Identifier (NPI) is 1851507586, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ossama Lashin's specialty?
- Ossama Lashin is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Ossama Lashin located?
- Ossama Lashin's practice location on file with NPPES is 5700 Cooper Foster Park Rd., Lorain, OH 44053.
- What is Ossama Lashin's phone number?
- The practice phone number listed in the NPPES registry for Ossama Lashin is (440) 204-7400.
- Does Ossama Lashin accept Medicare?
- Ossama Lashin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ossama Lashin's NPI active?
- Yes — Ossama Lashin's NPI (1851507586) is active in the NPPES registry as of the last update on 2020-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.