Dr. Ehsan Shahmir, MD

  • Vacaville, CA
  • Nephrologist
NPI1700855210PAC ID8921917378
Medicare services, 2024
226
Medicare patients, 2024
66
Part D claims, 2024
1,203
Publications
2
Hospital affiliations
3
Practice address
1 Quality Drive, Vacaville, CA 95688
Practice phone
Call (707) 624-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vacaville Medical Center

Hospital · Vacaville, California

See all 10 affiliations

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Dr. Ehsan Shahmir is a nephrologist in Vacaville, California

Dr. Shahmir practices at Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente.

Dr. Shahmir's NPI, 1700855210, was assigned on March 16, 2006. Dr. Shahmir graduated from Tehran University of Medical Sciences School of Medicine in 1981. Dr. Shahmir holds California license A50331.

NPI and contact details
Medicare PAC ID
8921917378
NPI enumeration date
March 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 624-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
71
Medical school graduation
1981

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

Dr. Ehsan Shahmir practices at Vacaville Medical Center in Vacaville, California

Dr. Shahmir's primary practice is Vacaville Medical Center, at 1 Quality Drive, Vacaville, CA 95688 in Solano County. The practice phone is (707) 624-4000.

Source: Dmand AI Affiliation Data

Dr. Ehsan Shahmir is affiliated with 8 sites of care and 2 medical groups

Dr. Shahmir's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. Dr. Shahmir is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is Solano Kidney Care. Dmand AI also links Dr. Shahmir to 1 more hospital, 2 dialysis centers, 2 group practices and clinics, 1 clinical lab and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Shahmir

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

Dmand AI tracks the EHR system at Dr. Ehsan Shahmir's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shahmir practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vacaville Medical CenterAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ehsan Shahmir is one of 1,401 nephrologists in California

Nephrology is Dr. Shahmir's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Shahmir is board certified in internal medicine by the American Board of Internal Medicine. Dr. Shahmir is licensed in California.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense A50331 · 1992 to 2027 · taxonomy 207RN0300X

Clinical focus

Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease, fluid and electrolyte imbalances and parathyroid gland disorder among the conditions Dr. Shahmir treats.

Nephrologists near Dr. Shahmir

Counts of nephrologists 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. Ehsan Shahmir billed Medicare for 226 services in 2024

CMS data shows 226 Medicare services from Dr. Shahmir across 4 procedure codes in 2024, for 66 Medicare patients. Medicare paid $35,822 for them. Every service was in an office.

Medicare services, 2024226
Medicare patients66
Paid by Medicare$35,822
Procedure codes4

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

  • 2023
  • 2024
Tests and treatments
2023: 1952024: 12138%
Office and hospital visits
2023: 2522024: 10558%

Dr. Shahmir compared with the California median for nephrologists, 2024

  • Dr. Shahmir
  • California median
Medicare services
226vs 1,08479% below
Medicare patients
66vs 30779% below
Part D claims
878vs 9558% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Shahmir'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. Shahmir

Need commercial claims for Dr. Shahmir?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shahmir and other nephrologists in California.

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

Dr. Ehsan Shahmir treated 66 Medicare patients in 2024, average age 75

CMS counts 66 Medicare patients who saw Dr. Shahmir in 2024. The largest group is 75 to 84, with 24 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 41% are also on Medicaid. Their average risk score is 5.27, 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. Shahmir's median patient age at 73, with 50% women.

Medicare patients, 202466
Average age75
Average risk score5.27
Also on Medicaid41%

Dr. Shahmir's Medicare patients by age, 2024

Dr. Shahmir's Medicare patients by sex, 2024

  • Women3553%
  • Men3147%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes62%
  5. Heart failure56%
  6. Arthritis48%
  7. Ischemic heart disease32%
  8. Depression30%

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

Dr. Shahmir's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women50%
  • Men49%

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

Dr. Ehsan Shahmir wrote 1,203 Medicare Part D claims in 2024

In 2024, Dr. Shahmir wrote 1,203 Medicare Part D claims for 107 patients. 82% of them were for generic drugs. CMS names the drug for 878 of them, across 31 drugs with 11 or more claims each, at $237,474 in total drug cost. In 2023, CMS named 1,155 claims across 36 drugs.

Part D claims, 20241,203
Drugs named by CMS31
Total drug cost$237,474
Part D patients107

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

  • Generic989 claims82%
  • Brand-name and other214 claims18%

Dr. Shahmir'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. Shahmir's Part D claims, 2024

  • Antibiotics1%12 of 1,203 claims
  • Antipsychotics, patients 65 and over1%11 of 1,203 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: 1,1552024: 87824%

Drugs named by CMS: 31 in 2024, 36 in 2023.

See all prescribing by Dr. Shahmir

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. Ehsan Shahmir takes part in Medicare

Dr. Shahmir 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. Ehsan Shahmir has 2 publications on record

Dmand AI links 2 papers to Dr. Shahmir. The most frequent topics are Amino Acids. Dr. Shahmir's most frequent co-authors are Joel D. Kopple, MD and Essam A. Maasarani, MD.

Papers2

Topics Dr. Shahmir writes about most

  • Amino Acids

Dr. Shahmir's most frequent co-authors

Recent publications by Dr. Shahmir

See all 2 publications and co-authors

See who Dr. Shahmir researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shahmir works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ehsan Shahmir received $1,679 in industry payments from 2016 to 2025

CMS Open Payments shows 45 general payments to Dr. Shahmir from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $445.

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

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

$1.7Kin total
  • Food and beverage$1,673100%
  • Education$60%

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

Share is of all general payments to this clinician.

See all payments to Dr. Shahmir

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

Dr. Ehsan Shahmir has 1 award and honors on record

Dmand AI lists 1 award for Dr. Shahmir, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Shahmir

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Ehsan Shahmir graduated from Tehran University of Medical Sciences School of Medicine

Dr. Shahmir graduated from Tehran University of Medical Sciences School of Medicine in 1981.

  1. Medical schoolTehran University of Medical Sciences School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Ehsan Shahmir accepts plans from 6 insurance carriers

Dr. Shahmir is in network with 6 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • CMS Medicare

Plan types Dr. Shahmir accepts, by number of carriers

  1. Medicare5
  2. PPO5
  3. HMO3
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ehsan Shahmir'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)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Ehsan Shahmir

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. Ehsan Shahmir's NPI number?

Dr. Ehsan Shahmir's NPI number is 1700855210. It was assigned on March 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ehsan Shahmir?

Dr. Ehsan Shahmir is a nephrologist in Vacaville, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Ehsan Shahmir practice?

Dr. Shahmir practices at 1 Quality Drive, Vacaville, CA 95688. Dr. Shahmir's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. Dmand AI also links Dr. Shahmir to 1 hospital, 2 dialysis centers, 2 group practices and clinics, 1 clinical lab and 1 medical group.

What is Dr. Ehsan Shahmir's office phone number?

The practice phone on file for Dr. Shahmir is (707) 624-4000.

What is Dr. Ehsan Shahmir's medical license number?

Dr. Shahmir holds California license A50331.

Which hospitals is Dr. Ehsan Shahmir affiliated with?

Dr. Shahmir practices at Vacaville Medical Center in Vacaville, California. Dr. Shahmir is also affiliated with Sutter Medical Center, Sacramento. Dmand AI links Dr. Shahmir to 1 more hospital.

What medical group is Dr. Ehsan Shahmir part of?

Dr. Shahmir is linked to Solano Kidney Care. Dmand AI links Dr. Shahmir to 1 more medical group.

Does Dr. Ehsan Shahmir accept Medicare?

Yes. CMS data shows Dr. Shahmir billed Medicare for 226 services in 2024, and Dr. Shahmir accepts Medicare assignment.

How many Medicare patients does Dr. Ehsan Shahmir see?

CMS counts 66 Medicare patients who saw Dr. Shahmir in 2024, with an average age of 75.

Is Dr. Ehsan Shahmir board certified?

Yes. Dr. Shahmir is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Ehsan Shahmir bill to Medicare?

In 2024, Dr. Shahmir's most billed Medicare services were dialysis (90961), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Ehsan Shahmir go to medical school?

Dr. Shahmir graduated from Tehran University of Medical Sciences School of Medicine in 1981.

What drugs does Dr. Ehsan Shahmir prescribe most?

In 2024 Medicare Part D data, Dr. Shahmir's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Atorvastatin Calcium.

Has Dr. Ehsan Shahmir received payments from drug or device companies?

CMS Open Payments shows $1,679 in general payments to Dr. Shahmir from 14 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Ehsan Shahmir been practicing?

Dr. Shahmir graduated from medical school in 1981, 45 years ago.

Does Dr. Ehsan Shahmir do research?

Dmand AI links 2 publications to Dr. Shahmir.

Who does Dr. Ehsan Shahmir publish with?

Dr. Shahmir's most frequent co-authors are Joel D. Kopple, MD (2 shared papers) and Essam A. Maasarani, MD (1 shared paper).

What insurance does Dr. Ehsan Shahmir accept?

Dr. Shahmir is in network with 6 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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