Dr. Tiffany L. Shay Alexander, MD

  • San Diego, CA
  • Occupational medicine physician
NPI1346253903PAC ID3476687641
Medicare services, 2024
851
Medicare patients, 2024
280
Part D claims, 2024
118
Affiliated sites
1
Medical group
1
Practice address
5651 Copley Dr, San Diego, CA 92111
Practice phone
Call (858) 262-6666
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Rees-Stealy Medical Group, Inc

San Diego, California

See all 3 affiliations

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Dr. Tiffany L. Shay Alexander is an occupational medicine physician in San Diego, California

Dr. Shay Alexander practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California.

Dr. Shay Alexander's NPI, 1346253903, was assigned on August 14, 2006. Dr. Shay Alexander holds California license A68353.

NPI and contact details
Medicare PAC ID
3476687641
NPI enumeration date
August 14, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(858) 262-6666
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Tiffany L. Shay Alexander practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California

Dr. Shay Alexander's primary practice is Sharp Rees-Stealy Medical Group, Inc, at 5651 Copley Dr, San Diego, CA 92111 in San Diego County. The practice phone is (858) 262-6666.

  • Sharp Rees-Stealy Medical Group, Inc
    5651 Copley Dr, San Diego, CA 92111 · San Diego CountyPhone(858) 262-6666

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Tiffany L. Shay Alexander is affiliated with 2 sites of care and 1 medical group

Dr. Shay Alexander's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. The medical group on file is Sharp Rees-Stealy Medical Group. Dmand AI also links Dr. Shay Alexander to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Shay Alexander

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Tiffany L. Shay Alexander's practice

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

EHR by site
SiteEHR vendor and product
Sharp Rees-Stealy Medical Group, IncAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tiffany L. Shay Alexander is one of 252 occupational medicine physicians in California

Occupational medicine is Dr. Shay Alexander's primary specialty in the NPI Registry, under taxonomy code 2083X0100X. Dr. Shay Alexander is board certified in occupational medicine by the American Board of Preventive Medicine. Dr. Shay Alexander is licensed in California.

Specialties and state licenses

  • Occupational medicine, CaliforniaPrimaryLicense A68353 · 1999 to 2026 · taxonomy 2083X0100X

Occupational medicine physicians near Dr. Shay Alexander

Counts of occupational medicine physicians 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. Tiffany L. Shay Alexander billed Medicare for 851 services in 2024

CMS data shows 851 Medicare services from Dr. Shay Alexander across 6 procedure codes in 2024, for 280 Medicare patients. Medicare paid $63,961 for them. Every service was in an office.

Medicare services, 2024851
Medicare patients280
Paid by Medicare$63,961
Procedure codes6

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

  • 2023
  • 2024
Tests and treatments
2023: 6792024: 60311%
Other services
2023: 3392024: 24827%

Dr. Shay Alexander compared with the California median for occupational medicine physicians, 2024

  • Dr. Shay Alexander
  • California median
Medicare services
851vs 959.0 times
Medicare patients
280vs 1072.6 times
Part D claims
110vs 244.6 times

Medians across 99 occupational medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Shay 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.

See all procedures by Dr. Shay Alexander

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

Dr. Tiffany L. Shay Alexander treated 280 Medicare patients in 2024, average age 75

CMS counts 280 Medicare patients who saw Dr. Shay Alexander in 2024. The largest group is 65 to 74, with 120 patients. 71% of them have high cholesterol, and 68% have high blood pressure. 13% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Shay Alexander's median patient age at 65, with 61% women.

Medicare patients, 2024280
Average age75
Average risk score0.95
Also on Medicaid13%

Dr. Shay Alexander's Medicare patients by age, 2024

Dr. Shay Alexander's Medicare patients by sex, 2024

  • Women17462%
  • Men10638%

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

  1. High cholesterol71%
  2. High blood pressure68%
  3. Diabetes36%
  4. Arthritis32%
  5. Chronic kidney disease21%
  6. Ischemic heart disease17%
  7. Osteoporosis15%
  8. Atrial fibrillation13%

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

Dr. Shay 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 65

Patient panel by sex, all payers

  • Women61%
  • Men38%

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

Dr. Tiffany L. Shay Alexander wrote 118 Medicare Part D claims in 2024

In 2024, Dr. Shay Alexander wrote 118 Medicare Part D claims for 118 patients. CMS names the drug for 110 of them, across 1 drug with 11 or more claims each, at $33,318 in total drug cost. In 2023, CMS named 419 claims across 1 drug.

Part D claims, 2024118
Drugs named by CMS1
Total drug cost$33,318
Part D patients118

Dr. Shay Alexander's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4192024: 11074%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Shay Alexander

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Tiffany L. Shay Alexander takes part in Medicare

Dr. Shay Alexander accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Tiffany L. Shay Alexander is board certified in occupational medicine

  1. Board certified in occupational medicineAmerican Board of Preventive Medicine

Source: Dmand AI Professional Profile Data

Dr. Tiffany L. Shay Alexander accepts plans from 8 insurance carriers

Dr. Shay Alexander is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Shay Alexander accepts, by number of carriers

  1. Medicare6
  2. PPO5
  3. POS3
  4. EPO2
  5. HMO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Tiffany L. Shay 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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)
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. Tiffany L. Shay 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. Tiffany L. Shay Alexander's NPI number?

Dr. Tiffany L. Shay Alexander's NPI number is 1346253903. It was assigned on August 14, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tiffany L. Shay Alexander?

Dr. Tiffany L. Shay Alexander is an occupational medicine physician in San Diego, California. The primary specialty in the NPI Registry is Occupational Medicine Physician (taxonomy code 2083X0100X).

Where does Dr. Tiffany L. Shay Alexander practice?

Dr. Shay Alexander practices at 5651 Copley Dr, San Diego, CA 92111. Dr. Shay Alexander's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dmand AI also links Dr. Shay Alexander to 1 group practice or clinic.

What is Dr. Tiffany L. Shay Alexander's office phone number?

The practice phone on file for Dr. Shay Alexander is (858) 262-6666.

What is Dr. Tiffany L. Shay Alexander's medical license number?

Dr. Shay Alexander holds California license A68353.

What medical group is Dr. Tiffany L. Shay Alexander part of?

Dr. Shay Alexander is linked to Sharp Rees-Stealy Medical Group.

Does Dr. Tiffany L. Shay Alexander accept Medicare?

Yes. CMS data shows Dr. Shay Alexander billed Medicare for 851 services in 2024, and Dr. Shay Alexander accepts Medicare assignment.

How many Medicare patients does Dr. Tiffany L. Shay Alexander see?

CMS counts 280 Medicare patients who saw Dr. Shay Alexander in 2024, with an average age of 75.

Is Dr. Tiffany L. Shay Alexander board certified?

Yes. Dr. Shay Alexander is board certified in occupational medicine by the American Board of Preventive Medicine.

What services does Dr. Tiffany L. Shay Alexander bill to Medicare?

In 2024, Dr. Shay Alexander's most billed Medicare services were medicare service (G0008), vaccine or vaccine administration (90480) and medical service (91322).

Show 3 more questionsShow fewer questions

What drugs does Dr. Tiffany L. Shay Alexander prescribe most?

In 2024 Medicare Part D data, Dr. Shay Alexander's most prescribed drugs by claims were Mresvia.

How long has Dr. Tiffany L. Shay Alexander been practicing?

Dr. Shay Alexander graduated from medical school in 1997, 29 years ago.

What insurance does Dr. Tiffany L. Shay Alexander accept?

Dr. Shay Alexander is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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