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- 5555 W Thunderbird Rd, Glendale, AZ 85306
About Dr. Best
Michael Best, M.D., MPH practices internal medicine in Glendale, AZ. According to Medicare claims data, Michael cared for 761 Medicare patients across 1,532 services. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1508251174.
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
- (602) 865-5555
- Email not available
Practice Locations
5555 W THUNDERBIRD RD
Glendale, AZ 85306
Conditions Commonly Evaluated or Treated
Within Internal Medicine 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
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
1,532 services · 761 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
536 | More often than most peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
228 | More often than most peers in Internal Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
202 | As often as other peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
166 | As often as other peers in Internal Medicine |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
165 | More often than most peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
109 | More often than most peers in Internal Medicine |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
48 | As often as other peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
33 | As often as other peers in Internal Medicine |
| Advance care planning, first 30 minutes | Office visit | 99497 |
17 | Less often than most peers in Internal Medicine |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
15 | Less often than most peers in Internal Medicine |
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.
Other internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 22 related providers in 3 groups
Other internists in Glendale 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Michael Best, M.D. specialize in?
Michael Best, M.D. is an internist in Glendale, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Michael Best, M.D. located?
Michael Best, M.D. is listed at 5555 W Thunderbird Rd, Glendale, AZ 85306. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Michael Best, M.D.'s phone number?
The number on file is (602) 865-5555. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Michael Best, M.D.'s NPI number?
Michael Best, M.D.'s National Provider Identifier is 1508251174. 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 Michael Best, M.D. train?
Michael Best, M.D. attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael Best, M.D. been practicing?
Michael Best, M.D. has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Michael Best, M.D. do most often?
According to Medicare billing data, Michael Best, M.D. 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 Michael Best, M.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael Best, M.D.. If this is you, claiming it is free.
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