Physician Profile
Holly G. Maccallum, M.D.
Unclaimed ProfileAbout Dr. Maccallum
Holly G. Maccallum, M.D. practices neurology in Fremont, CA. Holly is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Holly cared for 413 Medicare patients across 585 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, 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', and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. The provider's National Provider Identifier (NPI) is 1518225788.
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
- (510) 490-1222
- Email not available
Practice Locations
3200 KEARNEY ST
Fremont, CA 94538
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
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
Spine, brain injury, and functional
Procedures & services
Most searched procedures
Consultation and testing
Consultations & Exams
Consultations and exams
Device management
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
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
Office procedures
Trauma & Injury
Procedures Most Often Billed to Medicare
585 services · 413 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
229 | More often than most peers in Neurology |
| 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' | Billing code | G2211 |
199 | More often than most peers in Neurology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
78 | More often than most peers in Neurology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
42 | As often as other peers in Neurology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 | Less often than most peers in Neurology |
| 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 |
16 | Less often than most 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 Fremont 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Holly G. Maccallum?
Holly G. Maccallum is a neurologist in Fremont, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
What is Holly G. Maccallum's address?
Holly G. Maccallum is listed at 3200 Kearney St, Fremont, CA 94538. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Holly G. Maccallum?
The number on file is (510) 490-1222. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Holly G. Maccallum's NPI number?
Holly G. Maccallum's National Provider Identifier is 1518225788. 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 Holly G. Maccallum train?
Holly G. Maccallum attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Holly G. Maccallum been practicing?
Holly G. Maccallum has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Holly G. Maccallum perform?
According to Medicare billing data, Holly G. Maccallum 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
Has Holly G. Maccallum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Holly G. Maccallum. If this is you, claiming it is free.
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