Physician Profile
Joseph K. Zachariah, DO practices infectious disease in Mesa, AZ. Joseph is a 1987 graduate of University of North Texas Hsc, College of Osteopathic Med. Medicare claims data shows Joseph provided 521 services to 241 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. The provider's National Provider Identifier (NPI) is 1649293895.
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.
1400 S DOBSON RD
Mesa, AZ 85202
5966 W Curtisian Ave
Boise, ID 83704
6644 E Baywood Ave
Mesa, AZ 85206
Within Infectious Disease 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
Bacterial infections
Bones & joints
Cardiovascular
Digestive infections
Fungal infections
General symptoms
Neurological infections
Parasitic infections
Post-infection conditions
Respiratory infections
Sexually transmitted infections
Skin & soft tissue
Travel-related infections
Urinary tract
Viral infections
Most searched procedures
Allergy & immunology
Allergy & Pharmacology
Antiviral treatments
Consultation & second opinions
Diagnostic evaluations
Diagnostics & screening
Gastrointestinal treatments
Infusions & Medications
Lab testing & monitoring
Medication management
Prevention & Prophylaxis
Prevention & prophylaxis
Travel medicine
521 services · 241 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
241 | More often than most peers in Infectious Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
167 | As often as other peers in Infectious Disease |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
82 | More often than most peers in Infectious Disease |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
31 | Less often than most peers in Infectious Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Zachariah is an infectious disease specialist in Mesa, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Infectious Disease”.
NPI registry
Dr. Zachariah is listed at 1400 S Dobson Rd, Mesa, AZ 85202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (480) 412-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Zachariah's National Provider Identifier is 1649293895. 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. Zachariah attended University of North Texas Hsc, College of Osteopathic Med, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Dr. Zachariah has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Zachariah 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. Zachariah. If this is you, claiming it is free.
Guide.md
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