Dr. Alexander Doru Stein, MD

  • Chula Vista, CA
  • Dermatologist
NPI1760431654PAC ID1951324961
Medicare services, 2024
5,056
Medicare patients, 2024
236
Part D claims, 2024
748
MIPS score, 2024
100
Industry payments
$1,318
Practice address
340 4th Ave Ste 14, Chula Vista, CA 91910-3813
Practice phone
Call (619) 303-3681
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Stein Dermatology

Physician office · Chula Vista, California

See all 4 affiliations

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Dr. Alexander Doru Stein is a dermatologist in Chula Vista, California

Dr. Stein practices at Stein Dermatology in Chula Vista, California.

Dr. Stein's NPI, 1760431654, was assigned on May 8, 2006. Dr. Stein holds California license A106295.

NPI and contact details
Medicare PAC ID
1951324961
NPI enumeration date
May 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(619) 303-3681
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Alexander Doru Stein practices at Stein Dermatology in Chula Vista, California

Dr. Stein's primary practice is Stein Dermatology, at 340 4th Ave Ste 14, Chula Vista, CA 91910-3813. The practice phone is (619) 303-3681.

  • Stein Dermatology
    340 4th Ave Ste 14, Chula Vista, CA 91910-3813Phone(619) 303-3681

Source: Dmand AI Affiliation Data

Dr. Alexander Doru Stein is affiliated with 2 sites of care and 2 medical groups

Dr. Stein's primary practice is Stein Dermatology in Chula Vista, California. The medical group on file is Chaparral Medical Group. Dmand AI also links Dr. Stein to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Stein

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Alexander Doru Stein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stein practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stein DermatologyAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alexander Doru Stein is one of 1,910 dermatologists in California

Dermatology is Dr. Stein's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dmand AI has Dr. Stein's licenses on file in 2 states: California and District of Columbia.

Specialties and state licenses

  • Dermatology, CaliforniaPrimaryLicense A106295 · taxonomy 207N00000X
  • Hematology and oncology, District of ColumbiaLicense MD036056 · taxonomy 207RH0003X

Dermatologists near Dr. Stein

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

1,910dermatologists in California
7dermatologists in Chula Vista

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

Dr. Alexander Doru Stein billed Medicare for 5,056 services in 2024

CMS data shows 5,056 Medicare services from Dr. Stein across 20 procedure codes in 2024, for 236 Medicare patients. Medicare paid $349,735 for them.

Medicare services, 20245,056
Medicare patients236
Paid by Medicare$349,735
Procedure codes20

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

  • 2023
  • 2024
Tests and treatments
2023: 5,2112024: 2,88245%
Surgery
2023: 2,4422024: 1,44141%
Office and hospital visits
2023: 1,2562024: 73342%

Where Dr. Stein's Medicare services took place, 2024

  • In an office4,98699%
  • In a facility701%

Dr. Stein compared with the California median for dermatologists, 2024

  • Dr. Stein
  • California median
Medicare services
5,056vs 1,7502.9 times
Medicare patients
236vs 37737% below
Part D claims
693vs 36789% above

Medians across 1,831 dermatologists in California with Dmand AI profiles that report each measure.

Dr. Stein'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. Stein

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

Dr. Alexander Doru Stein treated 236 Medicare patients in 2024, average age 72

CMS counts 236 Medicare patients who saw Dr. Stein in 2024. The largest group is 65 to 74, with 112 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 72% are also on Medicaid. Their average risk score is 1.85, 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. Stein's median patient age at 68, with 54% women.

Medicare patients, 2024236
Average age72
Average risk score1.85
Also on Medicaid72%

Dr. Stein's Medicare patients by age, 2024

Dr. Stein's Medicare patients by sex, 2024

  • Women12955%
  • Men10745%

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

  1. High blood pressure75%
  2. High cholesterol72%
  3. Diabetes44%
  4. Mood disorders44%
  5. Arthritis40%
  6. Depression39%
  7. Anxiety33%
  8. Chronic kidney disease30%

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

Dr. Stein's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women54%
  • Men45%

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

Dr. Alexander Doru Stein wrote 748 Medicare Part D claims in 2024

In 2024, Dr. Stein wrote 748 Medicare Part D claims for 286 patients. 98% of them were for generic drugs. CMS names the drug for 693 of them, across 10 drugs with 11 or more claims each, at $12,148 in total drug cost. In 2023, CMS named 985 claims across 14 drugs.

Part D claims, 2024748
Drugs named by CMS10
Total drug cost$12,148
Part D patients286

Dr. Stein's Part D claims by kind of drug, 2024

  • Generic732 claims98%
  • Brand-name16 claims2%

Dr. Stein'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.

Drug classes CMS tracks in Dr. Stein's Part D claims, 2024

  • Antibiotics12%93 of 748 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9852024: 69330%

Drugs named by CMS: 10 in 2024, 14 in 2023.

See all prescribing by Dr. Stein

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

Dr. Alexander Doru Stein scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Stein for performance year 2024, reported individually. Dr. Stein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 113 procedures of melanoma (skin cancer) excision by Dr. Stein, more than 94% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Stein's MIPS scores, performance year 2024

  • 100of 100Final score
  • 95of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Stein ranks in Medicare procedure volume

Removal of skin lesions
93rd percentile972 procedures
Skin biopsy
92nd percentile357 procedures
Melanoma (skin cancer) excision
94th percentile113 procedures
Removal of tissue
84th percentile87 procedures
Removal of skin cancer
16th percentile49 procedures
Removal or shaving of skin growth
75th percentile33 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Alexander Doru Stein received $1,318 in industry payments from 2016 to 2025

CMS Open Payments shows 39 general payments to Dr. Stein from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. ACADIA Pharmaceuticals Inc paid the most, $244.

General payments to Dr. Stein by program year, 2016 to 2025

General payments to Dr. Stein by kind, 2016 to 2025

$1.3Kin total
  • Food and beverage$1,30999%
  • Education$91%

Companies that paid Dr. Stein the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Stein

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

Sources for Dr. Alexander Doru Stein'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Alexander Doru Stein

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. Alexander Doru Stein's NPI number?

Dr. Alexander Doru Stein's NPI number is 1760431654. It was assigned on May 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexander Doru Stein?

Dr. Alexander Doru Stein is a dermatologist in Chula Vista, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. Alexander Doru Stein practice?

Dr. Stein practices at 340 4th Ave Ste 14, Chula Vista, CA 91910-3813. Dr. Stein's primary practice is Stein Dermatology in Chula Vista, California. Dmand AI also links Dr. Stein to 1 group practice or clinic and 1 medical group.

What is Dr. Alexander Doru Stein's office phone number?

The practice phone on file for Dr. Stein is (619) 303-3681.

What is Dr. Alexander Doru Stein's medical license number?

Dr. Stein holds California license A106295, one of the licenses on file in 2 states.

Which states has Dr. Alexander Doru Stein been licensed in?

Dmand AI has state licenses on file for Dr. Stein in California and District of Columbia.

What medical group is Dr. Alexander Doru Stein part of?

Dr. Stein is linked to Chaparral Medical Group. Dmand AI links Dr. Stein to 1 more medical group.

Does Dr. Alexander Doru Stein accept Medicare?

Yes. CMS data shows Dr. Stein billed Medicare for 5,056 services in 2024, and Dr. Stein accepts Medicare assignment.

What is Dr. Alexander Doru Stein's MIPS score?

Dr. Stein's MIPS final score for performance year 2024 is 100 out of 100, reported individually.

How many Medicare patients does Dr. Alexander Doru Stein see?

CMS counts 236 Medicare patients who saw Dr. Stein in 2024, with an average age of 72.

Show 4 more questionsShow fewer questions

What services does Dr. Alexander Doru Stein bill to Medicare?

In 2024, Dr. Stein's most billed Medicare services were skin treatment (96910), allergy test or treatment (95044) and office visit, established patient (99213).

What drugs does Dr. Alexander Doru Stein prescribe most?

In 2024 Medicare Part D data, Dr. Stein's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Doxycycline Hyclate.

Has Dr. Alexander Doru Stein received payments from drug or device companies?

CMS Open Payments shows $1,318 in general payments to Dr. Stein from 16 companies from 2016 to 2025. The largest total came from ACADIA Pharmaceuticals Inc.

How long has Dr. Alexander Doru Stein been practicing?

Dr. Stein graduated from medical school in 1994, 32 years ago.

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