Are you Dr. Cruz? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Marcos J. Cruz, MD
- Guaynabo location main office
35 Calle Juan C Borbon Ste 67-411, Guaynabo, PR 00969 - Fairfield location
700 US Highway 46 Ste 420, Fairfield, NJ 07004
About Dr. Cruz
Marcos J. Cruz, MD practices neurology in Guaynabo, PR. According to Medicare claims data, Marcos cared for 4,357 Medicare patients across 6,924 services. The services billed most often include continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure), placement of skin electrodes and measurement of stimulated sites on arms and legs, and needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study. The provider's National Provider Identifier (NPI) is 1265556898.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (787) 650-7272
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
35 CALLE JUAN C BORBON STE 67-411
Guaynabo, PR 00969
700 US Highway 46 Ste 420
Fairfield, NJ 07004
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Brain & memory
Specialized neurologic care
Spine, brain injury, and functional
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Procedures & services
Consultation and testing
- Comprehensive neurologic examination
- Inpatient video EEG monitoring
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Device and advanced subspecialty
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Geriatric care
Office procedures
- Botulinum toxin injections for chronic migraine
- Botulinum toxin injections for dystonia or spasticity
- Lumbar puncture
- Occipital nerve block
Pain & wellness
Treatment management
- Epilepsy medication management
- Migraine preventive treatment
- Multiple sclerosis disease-modifying treatment
Most searched procedures
Consultations & Exams
Consultations and exams
Device management
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Trauma & Injury
Procedures Most Often Billed to Medicare
6,924 services · 4,357 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Needle measurement and recording of electrical activity of muscles at bladder and bowel openings | Procedure | 51785 |
29 | More often than most peers in Neurology |
| Placement of skin electrodes and measurement of stimulated sites on arms and legs | Treatment | 95938 |
1,180 | More than most peers in Neurology |
| Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study | Treatment | 95870 |
859 | More than most peers in Neurology |
| Testing of nerve-muscle junction | Treatment | 95937 |
794 | More than most peers in Neurology |
| Measurement of brain wave activity (eeg) outside the brain during surgery | Treatment | 95955 |
581 | More than most peers in Neurology |
| Placement of skin electrodes and measurement of central motor stimulation in arms and legs | Treatment | 95939 |
531 | More than most peers in Neurology |
| Needle measurement of electrical activity in arm or leg muscles, 2 extremities | Treatment | 95861 |
512 | More than most peers in Neurology |
| Needle measurement of electrical activity in muscles on both sides of body | Treatment | 95868 |
96 | More often than most peers in Neurology |
| Needle measurement of electrical activity in muscles on side of body | Treatment | 95867 |
39 | Too few peers to compare |
| Placement of skin electrodes and measurement of central motor stimulation in legs | Treatment | 95929 |
16 | As often as other peers in Neurology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurologists in Guaynabo 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 7 related providers in 1 group
Class of 2002 at Other 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Cruz specialize in?
Dr. Cruz is a neurologist in Guaynabo, PR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where is Dr. Cruz located?
Dr. Cruz is listed at 35 Calle Juan C Borbon Ste 67-411, Guaynabo, PR 00969. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Cruz's phone number?
The number on file is (787) 650-7272. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Cruz's NPI number?
Dr. Cruz's National Provider Identifier is 1265556898. 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
Where did Dr. Cruz go to medical school?
Dr. Cruz attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Cruz been practicing?
Dr. Cruz has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Cruz do most often?
According to Medicare billing data, Dr. Cruz performs procedures including needle measurement and recording of electrical activity of muscles at bladder and bowel openings; provides treatments such as placement of skin electrodes and measurement of stimulated sites on arms and legs and needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Cruz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cruz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.