Physician Profile
Based in Royal Oak, MI, Karol Zakalik, MD is listed in the NPI registry under neurosurgery. Karol is also listed as specializing in neurological surgery. Medicare claims data shows Karol provided 367 services to 235 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1609867985 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3535 W 13 MILE RD STE 504
Royal Oak, MI 48073
Within Neurological Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Brain & spine conditions
Brain conditions
Brain disorders
Brain injury
Brain tumors
Movement disorders
Nerve disorders
Pain
Pediatric conditions
Spine & back
Spine conditions
Spine deformity
Trauma & injury
Most searched procedures
Brain & spine surgery
Brain procedures
Brain surgery
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
Spine procedures
Spine surgery
Vascular neurosurgery
367 services · 235 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
162 | More than most peers in Neurosurgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
88 | More than most peers in Neurosurgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
34 | As often as other peers in Neurosurgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
30 | As often as other peers in Neurosurgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 | As often as other peers in Neurosurgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
25 | As often as other peers in Neurosurgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Zakalik is a neurosurgery in Royal Oak, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Zakalik is listed at 3535 W 13 Mile Rd Ste 504, Royal Oak, MI 48073. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (248) 551-3020. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Zakalik's National Provider Identifier is 1609867985. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Zakalik attended Other, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
Dr. Zakalik has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Zakalik the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zakalik. If this is you, claiming it is free.
Guide.md
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