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Pulmonologists who accept Medicare in Costa Mesa, CA
CMS lists 5 clinicians in this specialty with a practice address in Costa Mesa. Accept Medicare assignment (the Medicare-approved amount as full payment): 5. Offer telehealth: 4.
Typical amounts Medicare approves in ZIP 92627 (2024 Medicare rates, the latest CMS has published): a new-patient visit $142, of which you pay about $36; a follow-up visit $110, of which you pay about $27 — the 20% coinsurance after the yearly Part B deductible. Clinicians who don't accept assignment can charge up to 15% more; with a Medicare Advantage plan, your plan's copay applies instead.
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Order: clinicians who accept assignment first, then by MIPS score (highest first), then by last name.
Navneet Singh, DO
✓ Accepts Medicare assignmentMIPS score (2024): 26.4/100✓ TelehealthGraduated 2014FemaleDrug and device company payments (2025): $2,344Thomas Diamant, MD
✓ Accepts Medicare assignmentMIPS score (2024): 21.7/100✓ TelehealthGraduated 1979MaleDrug and device company payments (2025): $3,731Alexander J. Sweidan, MD
✓ Accepts Medicare assignmentMIPS score (2024): 20.4/100✓ TelehealthGraduated 2014MaleDrug and device company payments (2025): $3,616Chayanne Khosravi, MD
✓ Accepts Medicare assignmentGraduated 2019MaleDrug and device company payments (2025): $1,375Lakshmi S. Shukla, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1970MaleDrug and device company payments (2025): $610
Before you book
This list comes from Medicare's enrollment records, not from reviews. Call the office to confirm the clinician is taking new Medicare patients. With Original Medicare, a clinician who accepts assignment can only charge you the Medicare deductible and coinsurance; one who doesn't may charge up to 15% more than the Medicare-approved amount. If you have a Medicare Advantage plan, check that the clinician is in the plan's network.
The MIPS final score (0–100) comes from Medicare's Merit-based Incentive Payment System for 2024. It combines quality measures, cost, improvement activities and use of certified health records, and it sets a payment adjustment. Clinicians who report as a group share the group's score. It is not a patient rating, and many clinicians have no published score.
Payments from drug and medical device companies come from CMS Open Payments (2025 general payments: meals, travel, consulting and speaking fees, gifts and similar), summed for each clinician. Receiving payments is legal and common and does not mean a clinician did anything wrong.
Other specialists in Costa Mesa
- Primary care doctors126
- Nurse practitioners91
- Neurologists4
- Ophthalmologists3
- Optometrists19
- Podiatrists4
- ENT doctors3
- Oncologists7
- Psychiatrists27
- Psychologists24
- Therapists and counselors14
- Physical therapists81
- Occupational therapists12
- Audiologists5
- Chiropractors27
- Gynecologists13
- Physiatrists3
- Dietitians5
Other care in Costa Mesa
Hospitals · Nursing homes · Dialysis centers · Home health agencies · Hospices
Nearby cities
Enrollment, addresses and scores are as reported to CMS and can change. This is not a list of in-network providers for any Medicare Advantage plan, and it is not medical advice. Source: CMS Provider Data Catalog — Doctors and Clinicians National Downloadable File, Clinician MIPS Performance 2024 and Facility Affiliation Data (released Oct 2, 2026).