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Compare the published Medicare service mix of James Kenneth Chang, M.D. with clinicians in the same registry specialty: Physical Medicine And Rehabilitation (CMS).

NJ · Exact areaEdit location

2024 published service data · 66 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Michael Joseph Mehnert, M.D.

Pain Management · Physical Medicine And Rehabilitation (CMS) · Florham Park, NJ

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Nerve conduction, 9-10 studies (95911)
73%Service-mix similarityView profile →

Henry M. Wroblewski, M.D.

Physical Medicine And Rehabilitation (CMS) · Livingston, NJ

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Nerve conduction, 9-10 studies (95911)
69%Service-mix similarityView profile →

Jennifer Gyi, D.O., RPH

Pain Management · Physical Medicine And Rehabilitation (CMS) · Cedar Knolls, NJ

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Nerve conduction, 9-10 studies (95911)
68%Service-mix similarityView profile →

Ajay Kumar, M.D.

Interventional Pain Management · Pain Management · Physical Medicine And Rehabilitation (CMS) · Watchung, NJ

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Nerve conduction, 9-10 studies (95911)
66%Service-mix similarityView profile →

Moises Kaweblum, M.D.

Interventional Pain Management · Physical Medicine And Rehabilitation (CMS) · Lakewood, NJ

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
62%Service-mix similarityView profile →

Cyrus Vosough, M.D.

Physical Medicine And Rehabilitation (CMS) · Wayne, NJ

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
60%Service-mix similarityView profile →

Devas J. Modi, DO

Pain Management · Physical Medicine And Rehabilitation (CMS) · Wayne, NJ

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
55%Service-mix similarityView profile →

Milind Patel, M.D., M.B.A.

Pain Management · Physical Medicine And Rehabilitation (CMS) · Evesham, NJ

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
55%Service-mix similarityView profile →

Shailendra Hajela, MD

Interventional Pain Management · Pain Management · Physical Medicine And Rehabilitation · Sports Medicine (CMS) · Belleville, NJ

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Nerve conduction, 9-10 studies (95911)
54%Service-mix similarityView profile →

Matthew P Berlin, DO

Physical Medicine And Rehabilitation (CMS) · Manasquan, NJ

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
53%Service-mix similarityView profile →

Kevin Kaiwen Hsu, MD

Physical Medicine And Rehabilitation (CMS) · Point Pleasant Boro, NJ

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Nerve conduction, 9-10 studies (95911)
52%Service-mix similarityView profile →

Brian Freed, D.O.

Physical Medicine And Rehabilitation (CMS) · Berkeley Heights, NJ

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • 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)
52%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.