Dr. Zachary Mitchell Alexander, MD

  • La Mesa, CA
  • Diagnostic radiologist
NPI1295893691PAC ID8022295997
Medicare services, 2024
6,545
Medicare patients, 2024
3,792
MIPS score, 2024
75
Hospital affiliations
3
Industry payments
$38
Practice address
5555 Grossmont Center Drive Box 58, La Mesa, CA 91942
Practice phone
Call (619) 465-0711
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Grossmont Hospital

Hospital · La Mesa, California

See all 4 affiliations

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Dr. Zachary Mitchell Alexander is a diagnostic radiologist in La Mesa, California

Dr. Alexander practices at Sharp Grossmont Hospital in La Mesa, California, part of Sharp HealthCare.

Dr. Alexander's NPI, 1295893691, was assigned on December 5, 2006. Dr. Alexander graduated from University of Kansas School of Medicine - Kansas City in 2001.

NPI and contact details
Medicare PAC ID
8022295997
NPI enumeration date
December 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 465-0711
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
51
Medical school graduation
2001

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Zachary Mitchell Alexander practices at Sharp Grossmont Hospital in La Mesa, California

Dr. Alexander's primary practice is Sharp Grossmont Hospital, at 5555 Grossmont Center Drive Box 58, La Mesa, CA 91942 in San Diego County. The practice phone is (619) 465-0711.

  • Sharp Grossmont Hospital
    5555 Grossmont Center Drive Box 58, La Mesa, CA 91942 · San Diego CountyPhone(619) 465-0711

Source: Dmand AI Affiliation Data

Dr. Zachary Mitchell Alexander is affiliated with 3 sites of care and 1 medical group

Dr. Alexander's primary practice is Sharp Grossmont Hospital in La Mesa, California, part of Sharp HealthCare. Dr. Alexander is also affiliated with Sharp Memorial Hospital. The medical group on file is X-Ray Medical Group. Dmand AI also links Dr. Alexander to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Alexander

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Zachary Mitchell Alexander's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alexander practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sharp Grossmont HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Zachary Mitchell Alexander is one of 4,096 diagnostic radiologists in California

Diagnostic radiology is Dr. Alexander's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Alexander is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Alexander's licenses on file in 6 states: North Carolina, California, Maryland, New Mexico, Virginia and Oklahoma.

Specialties and state licenses

  • Diagnostic radiology, North Carolina2002 to 2016 · taxonomy 2085R0202X
  • California license2010 to 2026
  • Maryland license2010 to 2020
  • New Mexico license2011 to 2020
  • Virginia license2010 to 2020
  • Oklahoma license2010 to 2019

Diagnostic radiologists near Dr. Alexander

Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Zachary Mitchell Alexander billed Medicare for 6,545 services in 2024

CMS data shows 6,545 Medicare services from Dr. Alexander across 67 procedure codes in 2024, for 3,792 Medicare patients. Medicare paid $140,670 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20246,545
Medicare patients3,792
Paid by Medicare$140,670
Procedure codes67

Dr. Alexander's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 5,3792024: 6,49121%
Other services
2023: 742024: 5427%
Surgery
2023: 152024: 0100%

Dr. Alexander compared with the California median for diagnostic radiologists, 2024

  • Dr. Alexander
  • California median
Medicare services
6,545vs 2,2812.9 times
Medicare patients
3,792vs 1,3462.8 times

Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.

Dr. Alexander's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Zachary Mitchell Alexander treated 3,792 Medicare patients in 2024, average age 74

CMS counts 3,792 Medicare patients who saw Dr. Alexander in 2024. The largest group is 65 to 74, with 1,442 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 2.01, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Alexander's median patient age at 56, with 62% women.

Medicare patients, 20243,792
Average age74
Average risk score2.01
Also on Medicaid50%

Dr. Alexander's Medicare patients by age, 2024

Dr. Alexander's Medicare patients by sex, 2024

  • Women2,14457%
  • Men1,64843%

Chronic conditions among Dr. Alexander's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Diabetes45%
  5. Mood disorders41%
  6. Ischemic heart disease40%
  7. Depression38%
  8. Chronic kidney disease35%

Share of Medicare patients with each condition. A patient can have several.

Dr. Alexander's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women62%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Zachary Mitchell Alexander scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Alexander for performance year 2024, reported as part of a group. Dr. Alexander accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Zachary Mitchell Alexander received $38 in industry payments from 2016 to 2024

CMS Open Payments shows 2 general payments to Dr. Alexander from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $24.

General payments to Dr. Alexander by program year, 2016 to 2024

Companies that paid Dr. Alexander the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Alexander

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Zachary Mitchell Alexander graduated from University of Kansas School of Medicine - Kansas City

Dr. Alexander graduated from University of Kansas School of Medicine - Kansas City in 2001.

  1. Medical schoolUniversity of Kansas School of Medicine - Kansas City
  2. Board certified in diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Zachary Mitchell Alexander accepts plans from 2 insurance carriers

Dr. Alexander is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • CMS Medicare
  • Molina

Source: Dmand AI Insurance Network Data

Sources for Dr. Zachary Mitchell Alexander's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Zachary Mitchell Alexander

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Zachary Mitchell Alexander's NPI number?

Dr. Zachary Mitchell Alexander's NPI number is 1295893691. It was assigned on December 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Zachary Mitchell Alexander?

Dr. Zachary Mitchell Alexander is a diagnostic radiologist in La Mesa, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Zachary Mitchell Alexander practice?

Dr. Alexander practices at 5555 Grossmont Center Drive Box 58, La Mesa, CA 91942. Dr. Alexander's primary practice is Sharp Grossmont Hospital in La Mesa, California, part of Sharp HealthCare. Dmand AI also links Dr. Alexander to 1 hospital.

What is Dr. Zachary Mitchell Alexander's office phone number?

The practice phone on file for Dr. Alexander is (619) 465-0711.

Which states has Dr. Zachary Mitchell Alexander been licensed in?

Dmand AI has state licenses on file for Dr. Alexander in North Carolina (2002 to 2016), California (2010 to 2026), Maryland (2010 to 2020), New Mexico (2011 to 2020), Virginia (2010 to 2020) and Oklahoma (2010 to 2019).

Which hospitals is Dr. Zachary Mitchell Alexander affiliated with?

Dr. Alexander practices at Sharp Grossmont Hospital in La Mesa, California. Dr. Alexander is also affiliated with Sharp Memorial Hospital. Dmand AI links Dr. Alexander to 1 more hospital.

What medical group is Dr. Zachary Mitchell Alexander part of?

Dr. Alexander is linked to X-Ray Medical Group.

Does Dr. Zachary Mitchell Alexander accept Medicare?

Yes. CMS data shows Dr. Alexander billed Medicare for 6,545 services in 2024, and Dr. Alexander accepts Medicare assignment.

What is Dr. Zachary Mitchell Alexander's MIPS score?

Dr. Alexander's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Dr. Zachary Mitchell Alexander see?

CMS counts 3,792 Medicare patients who saw Dr. Alexander in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

Is Dr. Zachary Mitchell Alexander board certified?

Yes. Dr. Alexander is board certified in diagnostic radiology by the American Board of Radiology.

What services does Dr. Zachary Mitchell Alexander bill to Medicare?

In 2024, Dr. Alexander's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (71046) and diagnostic imaging (70450).

Where did Dr. Zachary Mitchell Alexander go to medical school?

Dr. Alexander graduated from University of Kansas School of Medicine - Kansas City in 2001.

Has Dr. Zachary Mitchell Alexander received payments from drug or device companies?

CMS Open Payments shows $38 in general payments to Dr. Alexander from 2 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Zachary Mitchell Alexander been practicing?

Dr. Alexander graduated from medical school in 2001, 25 years ago.

What insurance does Dr. Zachary Mitchell Alexander accept?

Dr. Alexander is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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