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Compare the published Medicare service mix of Amna Gul Khattak, M.D with clinicians in the same registry specialty: Hematology/Oncology · Internal Medicine (CMS).

MEMPHIS, TN · Exact areaEdit location

2024 published service data · 26 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Peter Whitney Carter, MD

Hematology/Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
89%Service-mix similarityView profile →

Muhammad Raza, M.D

Hematology/Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
86%Service-mix similarityView profile →

Donald St. Paul Gravenor, M.D.

Hematology · Hematology/Oncology · Medical Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
82%Service-mix similarityView profile →

David Wayne Sullivan, M.D.

Hematology/Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
77%Service-mix similarityView profile →

Salil Goorha, M.D.

Hematology/Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
76%Service-mix similarityView profile →

Kaweeta Kumar, MD

Hematology/Oncology · Internal Medicine (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
75%Service-mix similarityView profile →

Aleksandar Jankov, MD

Hematology/Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
75%Service-mix similarityView profile →

Osarenren Ogbeide, MD

Hematology/Oncology · Internal Medicine (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
70%Service-mix similarityView profile →

Sailendra Vasireddy, MD

Hematology · Hematology/Oncology (CMS) · Memphis, TN

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)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • 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's (G2211)
68%Service-mix similarityView profile →

Kathleen Delaney Spiers, MD

Medical Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
66%Service-mix similarityView profile →

Raymond Osarogiagbon, MD

Hematology/Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
66%Service-mix similarityView profile →

Drew S. Dill, MD

Hematology · Internal Medicine · Medical Oncology (CMS) · Memphis, TN

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)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
65%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.