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AMBULATORY ANESTHESIA SERVICES INC

PAC 3274516042 Physician group
CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) · FAIRFAX, VA · hospital-affiliated
Specialty CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) — most common member specialty (multi-specialty groups carry one label; see Methods)
Footprint Registered in FAIRFAX, VA · bills Medicare in 2 states (DC, VA)
Scale 16 providers on the CMS registry roster · 25 codes billed (five-year data window) · 2,709 services (all billed codes, CY2024)
Medicare paid $168K · across all billed codes, CY2024, attributed & disclosed
Affiliation Hospital-affiliated — at least one member holds a hospital affiliation in the CMS registry
Contact (703) 691-0670 — CMS registry listing
CMS Doctors & Clinicians registry · Medicare Part B physician/supplier claims · figures are attributed (single-group clinicians) and disclosed fee-for-service — a subset, never complete totals · group series shown over the most recent 5 years (rosters archived from 2019)
Group analytics

Who's billing in this group, plus the paid volume analytics · CY2024

Clinician makeup · CY2024
Physicians 6Advanced-practice 10Other clinicians 0= 16 clinicians billed · CY2024
By clinician headcount, CY2024. 'Physician' follows Medicare's §1861(r) definition (MD/DO, podiatry, optometry, dental medicine, chiropractic); facility and supplier enrollments are not counted as clinicians. These 16 are the clinicians who billed in CY2024 — a subset of the all-time registry roster shown on the group's identity card.

Billed 15 of the group's 25 codes this year, across 2 states (CY2024).

The full analytics for this group

Premium

The billed-volume rank, trajectory, and economics behind this group — computed on the same disclosed Medicare Part B data.

What Medicare paid this group in CY2024 is on the group's identity card — free, on every tier. Premium breaks that figure down per code and per service, and puts the volume behind it in national and peer context.

  • Per-code payment breakdown & avg $/service — dollars behind the volume
  • Beneficiary-episode volume — reach, not just service counts
  • Office vs. facility setting mix — place-of-service code split
  • National billed-volume rank — percentile, cohort & year disclosed
  • Size-peer billed-volume benchmark — vs. groups of similar size
  • Top-3 clinician share — how volume distributes
  • 5-year volume trend — direction across the window
  • Business mix — largest codes by payment

Rank and benchmark figures are billed-volume positions among peers, not measures of care. All figures attributed (single-group clinicians) and disclosed Medicare Part B fee-for-service.

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Medicare Part B FFS · CY2024 · as published by CMS

Provider volumes, all codes · CY2024

NPIProviderCredentialsTypeCitySt Services (all codes) locked column
1982732616 Bellil, Lisa M.D. Anesthesiology WashingtonDC premium
1194751115 Lash,, William CRNA Certified Registered Nurse Anesthetist (CRNA) Falls ChurchVA premium
1942955919 Martindale, Amanda DNAP, CRNA Certified Registered Nurse Anesthetist (CRNA) RichmondVA premium
1528137841 Grois, Frederick M.D. Anesthesiology ManassasVA premium
1023307303 Orban, Jessie CRNA Certified Registered Nurse Anesthetist (CRNA) Great FallsVA premium
1053732115 Schulman, Kelsey Certified Registered Nurse Anesthetist (CRNA) FairfaxVA premium
1124128483 Giuliani, Trisa M.D. Anesthesiology WashingtonDC premium
1124098454 Connelly, Carolyn CRNA Certified Registered Nurse Anesthetist (CRNA) WashingtonDC premium
1104917194 Miller, Julie M.D. Anesthesiology AlexandriaVA premium
1447259916 Atiyeh, Lyna MD Anesthesiology AlexandriaVA premium
1760722631 Achin, Elizabeth · member of 4 groups CRNA Certified Registered Nurse Anesthetist (CRNA) WashingtonDC premium
1396132023 Chin, Claire · member of 3 groups CRNA Certified Registered Nurse Anesthetist (CRNA) ArlingtonVA premium
1376030213 Kang, Anna · member of 2 groups Certified Registered Nurse Anesthetist (CRNA) Falls ChurchVA premium
1891170155 Lee, Eunice · member of 4 groups Certified Registered Nurse Anesthetist (CRNA) New YorkNY premium
1720026099 Morrison, Jennifer · member of 2 groups M.D. Anesthesiology RockvilleMD premium
1013905199 Pursell, Barbara · member of 2 groups Certified Registered Nurse Anesthetist (CRNA) WashingtonDC premium

Volumes are attributed to a group only for clinicians affiliated with exactly one group. Clinicians in several groups are listed ("member of N groups") but shown as "—" — their volume is not attributed to any single group. A "—" on a single-group clinician means CMS suppressed the figure (fewer than 11 beneficiaries), never zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average Medicare payment is the amount Medicare actually paid per service, weighted by service volume across office and facility settings. Where the roster is a single clinician, that clinician's service counts match the group's attributed volume shown on the ranked results, so they are shown here; the per-provider split across a larger roster is a premium feature. See Methods & Sources.