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Compare the published Medicare service mix of Abby Ling-Lee Cheng, MD with clinicians in the same registry specialty: Physical Medicine And Rehabilitation (CMS).

SAINT LOUIS, MO · Exact areaEdit location

2024 published service data · 29 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Katherine Marie Caldwell, MD

Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
79%Service-mix similarityView profile →

Devyani Mehta Hunt, MD

Orthopedic Surgery · Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
76%Service-mix similarityView profile →

Amy M Zippay, M.D.

Interventional Pain Management · Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
73%Service-mix similarityView profile →

Chi-Tsai Tang, MD

Orthopedic Surgery · Physical Medicine And Rehabilitation · Sports Medicine (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
69%Service-mix similarityView profile →

Alexander John Heck, MD

Pain Management · Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
61%Service-mix similarityView profile →

Nathan Parke Olafsen, MD

Orthopedic Surgery · Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Aspiration and/or injection of fluid from large joint (20610)
59%Service-mix similarityView profile →

John Paul Metzler, MD

Physical Medicine And Rehabilitation · Sports Medicine (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level (64483)
59%Service-mix similarityView profile →

Jeremy A Hartman, MD

Orthopedic Surgery · Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Fluoroscopic guidance for needle placement (77002)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Aspiration and/or injection of fluid from large joint (20610)
53%Service-mix similarityView profile →

Anthony J Margherita, MD

Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Aspiration and/or injection of fluid from large joint (20610)
  • Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)
48%Service-mix similarityView profile →

Heidi Prather, DO

Physical Medicine And Rehabilitation · Sports Medicine (CMS) · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Aspiration and/or injection of fluid from large joint (20610)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
43%Service-mix similarityView profile →

James Jeffrey Cole, M.D.

Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
17%Service-mix similarityView profile →

Lizette Alvarez, M.D.

Physical Medicine And Rehabilitation (CMS) · Saint Louis, MO

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
14%Service-mix similarityView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in NPI order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.