Dr. Allen S. Morris, MD

  • Sacramento, CA
  • Cardiothoracic surgeon
NPI1396704169PAC ID4789660150
Medicare services, 2024
209
Medicare patients, 2024
117
Part D claims, 2024
44
Publications
3
Clinical trials
3
Practice address
3000 Q St, Sacramento, CA 95816
Practice phone
Call (916) 733-3397
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Medical Group, a Service of Dignity Health Medical Foundation

Sacramento, California

See all 6 affiliations

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Dr. Allen S. Morris is a cardiothoracic surgeon in Sacramento, California

Dr. Morris practices at Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California.

Dr. Morris' NPI, 1396704169, was assigned on March 21, 2006. Dr. Morris graduated from Wayne State University School Of Medicine in 1981. Dr. Morris holds California license G-68918.

NPI and contact details
Medicare PAC ID
4789660150
NPI enumeration date
March 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(916) 733-3397
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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Allen S. Morris practices at Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California

Dr. Morris' primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation, at 3000 Q St, Sacramento, CA 95816 in Sacramento County. The practice phone is (916) 733-3397.

  • Mercy Medical Group, a Service of Dignity Health Medical Foundation
    3000 Q St, Sacramento, CA 95816 · Sacramento CountyPhone(916) 733-3397

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

Dr. Allen S. Morris is affiliated with 4 sites of care and 2 medical groups

Dr. Morris' primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California. Dr. Morris is also affiliated with Dignity Health - Mercy General Hospital. The medical group on file is Mercy Medical Group. Dmand AI also links Dr. Morris to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Morris

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

Dmand AI tracks the EHR system at Dr. Allen S. Morris' practice

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

EHR by site
SiteEHR vendor and product
Mercy Medical Group, a Service of Dignity Health Medical FoundationAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Allen S. Morris is one of 568 cardiothoracic surgeons in California

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Morris' primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Morris is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Dr. Morris' licenses on file in 2 states: California and Ohio.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimaryLicense G-68918 · 1990 to 2026 · taxonomy 208G00000X
  • Ohio license1988 to 2006

Clinical focus

Dmand AI lists heart bypass surgery and heart valve surgery among the conditions Dr. Morris treats.

Cardiothoracic surgeons near Dr. Morris

Counts of cardiothoracic surgeons 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. Allen S. Morris billed Medicare for 209 services in 2024

CMS data shows 209 Medicare services from Dr. Morris across 9 procedure codes in 2024, for 117 Medicare patients. Medicare paid $89,749 for them.

Medicare services, 2024209
Medicare patients117
Paid by Medicare$89,749
Procedure codes9

Dr. Morris' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 02024: 86
Office and hospital visits
2023: 342024: 78129%
Tests and treatments
2023: 02024: 45

Where Dr. Morris' Medicare services took place, 2024

  • In an office9144%
  • In a facility11856%

Dr. Morris compared with the California median for cardiothoracic surgeons, 2024

  • Dr. Morris
  • California median
Medicare services
209vs 11483% above
Medicare patients
117vs 9523% above
Part D claims
11vs 1942% below

Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.

Dr. Morris' 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. Morris

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

Dr. Allen S. Morris treated 117 Medicare patients in 2024, average age 76

CMS counts 117 Medicare patients who saw Dr. Morris in 2024. The largest group is 75 to 84, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Morris' median patient age at 66, with 33% women.

Medicare patients, 2024117
Average age76
Average risk score1.31
Also on Medicaid19%

Dr. Morris' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Morris' Medicare patients by sex, 2024

  • Women3933%
  • Men7867%

Chronic conditions among Dr. Morris' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Atrial fibrillation64%
  5. Heart failure58%
  6. Arthritis38%
  7. Diabetes34%
  8. Chronic kidney disease32%

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

Dr. Morris' patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women33%
  • Men66%

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

Dr. Allen S. Morris wrote 44 Medicare Part D claims in 2024

In 2024, Dr. Morris wrote 44 Medicare Part D claims for 17 patients. 89% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $32 in total drug cost. In 2021, CMS named 12 claims across 1 drug.

Part D claims, 202444
Drugs named by CMS1
Total drug cost$32
Part D patients17

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

  • Generic39 claims89%
  • Brand-name and other5 claims11%

Dr. Morris' 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, 2021 to 2024

  • 2021
  • 2024
Claims for drugs CMS names
2021: 122024: 118%

Drugs named by CMS: 1 in 2024, 1 in 2021.

See all prescribing by Dr. Morris

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. Allen S. Morris 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. Morris for performance year 2024, reported through an alternative payment model (APM). Dr. Morris accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of coronary artery bypass graft (cabg) by Dr. Morris, more than 47% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Morris' MIPS scores, performance year 2024

  • 100of 100Final score
  • 86.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Morris ranks in Medicare procedure volume

Coronary artery bypass graft (CABG)
47th percentile12 procedures

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

Pacemaker insertion or repair: 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. Allen S. Morris has 3 publications on record

Dmand AI links 3 papers to Dr. Morris in 2015. The most frequent topics are Mitral Valve Insufficiency. Dr. Morris' most frequent co-authors are Divyakant B. Gandhi, MD, James Longoria, MD and Reginald I. Low, MD.

Papers3

Topics Dr. Morris writes about most

  • Mitral Valve Insufficiency

Dr. Morris' most frequent co-authors

Recent publications by Dr. Morris

See all 3 publications and co-authors

See who Dr. Morris researches with

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

How network discovery works

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

Dr. Allen S. Morris has worked on 3 clinical trials

Dmand AI links Dr. Morris to 3 clinical trials. Conditions studied include Aortic Valve Insufficiency, Ventricular Outflow Obstruction and Mitral Valve Insufficiency. Edwards Lifesciences sponsors the most, 3.

Conditions in Dr. Morris' trials

  • Aortic Valve Insufficiency
  • Ventricular Outflow Obstruction
  • Mitral Valve Insufficiency
  • Heart Valve Diseases

Investigators on the most trials with Dr. Morris

Recent clinical trials with Dr. Morris

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Allen S. Morris received $13,685 in industry payments from 2016 to 2025

CMS Open Payments shows 142 general payments to Dr. Morris from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 46% of the total. Medtronic Vascular, Inc. paid the most, $4,025.

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

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

$13.7Kin total
  • Food and beverage$6,32546%
  • Travel and lodging$5,86043%
  • Consulting fees$1,50011%

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

Share is of all general payments to this clinician.

See all payments to Dr. Morris

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

Dr. Allen S. Morris has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Morris.

Awards and honors for Dr. Morris

  1. Undated
    • ACS Fellow
    • Checkbook Top Doc
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Allen S. Morris graduated from Wayne State University School Of Medicine

Dr. Morris graduated from Wayne State University School Of Medicine in 1981. Dr. Morris is a member of ACS.

  1. Medical schoolWayne State University School Of Medicine
  2. Board certified in thoracic and cardiac surgeryAmerican Board of Thoracic Surgery

Source: Dmand AI Professional Profile Data

Dr. Allen S. Morris accepts plans from 15 insurance carriers

Dr. Morris is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Morris accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Allen S. Morris'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
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. Allen S. Morris

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. Allen S. Morris' NPI number?

Dr. Allen S. Morris' NPI number is 1396704169. It was assigned on March 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Allen S. Morris?

Dr. Allen S. Morris is a cardiothoracic surgeon in Sacramento, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. Allen S. Morris practice?

Dr. Morris practices at 3000 Q St, Sacramento, CA 95816. Dr. Morris' primary practice is Mercy Medical Group, a Service of Dignity Health Medical Foundation in Sacramento, California. Dmand AI also links Dr. Morris to 2 group practices and clinics and 1 medical group.

What is Dr. Allen S. Morris' office phone number?

The practice phone on file for Dr. Morris is (916) 733-3397.

What is Dr. Allen S. Morris' medical license number?

Dr. Morris holds California license G-68918, one of the licenses on file in 2 states.

Which states has Dr. Allen S. Morris been licensed in?

Dmand AI has state licenses on file for Dr. Morris in California (1990 to 2026) and Ohio (1988 to 2006).

Which hospitals is Dr. Allen S. Morris affiliated with?

Dr. Morris is affiliated with Dignity Health - Mercy General Hospital.

What medical group is Dr. Allen S. Morris part of?

Dr. Morris is linked to Mercy Medical Group. Dmand AI links Dr. Morris to 1 more medical group.

Does Dr. Allen S. Morris accept Medicare?

Yes. CMS data shows Dr. Morris billed Medicare for 209 services in 2024, and Dr. Morris accepts Medicare assignment.

What is Dr. Allen S. Morris' MIPS score?

Dr. Morris' MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Allen S. Morris see?

CMS counts 117 Medicare patients who saw Dr. Morris in 2024, with an average age of 76.

Is Dr. Allen S. Morris board certified?

Yes. Dr. Morris is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery.

What services does Dr. Allen S. Morris bill to Medicare?

In 2024, Dr. Morris' most billed Medicare services were office visit, new patient (99205), heart test or procedure (93314) and surgery: heart and blood vessels (33361).

Where did Dr. Allen S. Morris go to medical school?

Dr. Morris graduated from Wayne State University School Of Medicine in 1981.

What drugs does Dr. Allen S. Morris prescribe most?

In 2024 Medicare Part D data, Dr. Morris' most prescribed drugs by claims were Potassium Chloride.

Has Dr. Allen S. Morris received payments from drug or device companies?

CMS Open Payments shows $13,685 in general payments to Dr. Morris from 13 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.

How long has Dr. Allen S. Morris been practicing?

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

Does Dr. Allen S. Morris do research?

Dmand AI links 3 publications to Dr. Morris. Dr. Morris has worked on 3 clinical trials.

Who does Dr. Allen S. Morris publish with?

Dr. Morris' most frequent co-authors are Divyakant B. Gandhi, MD (1 shared paper), James Longoria, MD (1 shared paper) and Reginald I. Low, MD (1 shared paper).

What insurance does Dr. Allen S. Morris accept?

Dr. Morris is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

See cardiothoracic surgeons in California by site of care and group

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