Dr. Danyal Fer, MD

  • Fairfield, CA
  • General surgeon
NPI1104203843
Medicare patients, 2024
20
Part D claims, 2024
84
Publications
2
MIPS score, 2024
95
Hospital affiliations
1
Practice address
1200 B Gale Wilson Blvd, Fairfield, CA 94533
Practice phone
Call (707) 646-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

NorthBay Medical Center

Hospital · Fairfield, California

Find Dr. Fer's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

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Dr. Danyal Fer is a general surgeon in Fairfield, California

Dr. Fer practices at NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.

Dr. Fer's NPI, 1104203843, was assigned on May 1, 2015. Dr. Fer graduated from Indiana University School Of Medicine in 2015. Dr. Fer holds California license A148395.

NPI and contact details
NPI enumeration date
May 1, 2015
NPI status
Active
Practice phone
(707) 646-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Danyal Fer practices at NorthBay Medical Center in Fairfield, California

Dr. Fer's primary practice is NorthBay Medical Center, at 1200 B Gale Wilson Blvd, Fairfield, CA 94533 in Solano County. The practice phone is (707) 646-5000.

Source: Dmand AI Affiliation Data

Dr. Danyal Fer is affiliated with 1 site of care

Dr. Fer's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.

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

Dmand AI tracks the EHR system at Dr. Danyal Fer's practice

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

EHR by site
SiteEHR vendor and product
NorthBay Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Danyal Fer is one of 2,926 general surgeons in California

Surgery is Dr. Fer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Fer is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Fer's licenses on file in 2 states: California and Georgia.

Specialties and state licenses

  • Surgery, CaliforniaPrimaryLicense A148395 · 2017 to 2027 · taxonomy 208600000X
  • Georgia licenseLicense 95643 · 2023 to 2025

General surgeons near Dr. Fer

Counts of general 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. Danyal Fer treated 20 Medicare patients in 2024, average age 69

CMS counts 20 Medicare patients who saw Dr. Fer in 2024. 75% of them have high blood pressure, and 60% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Fer's median patient age at 72, with 17% women.

Medicare patients, 202420
Average age69
Average risk score1.27

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

  1. High blood pressure75%
  2. High cholesterol60%

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

Dr. Fer's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women17%
  • Men83%

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

Dr. Danyal Fer wrote 84 Medicare Part D claims in 2024

In 2024, Dr. Fer wrote 84 Medicare Part D claims for 39 patients. 100% of them were for generic drugs. CMS names the drug for 46 of them, across 2 drugs with 11 or more claims each, at $138 in total drug cost. In 2023, CMS named 12 claims across 1 drug.

Part D claims, 202484
Drugs named by CMS2
Total drug cost$138
Part D patients39

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

  • Opioids38%32 of 84 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: 122024: 46283%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Fer

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. Danyal Fer scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Fer for performance year 2024, reported through an alternative payment model (APM).

Dr. Fer's MIPS scores, performance year 2024

  • 95of 100Final score
  • 80.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Danyal Fer has 2 publications on record

Dmand AI links 2 papers to Dr. Fer in 2023. Dr. Fer's most frequent co-authors are Varun Kejriwal Goel, MD and Daniel A. Hashimoto, MD, MS.

Papers2

Dr. Fer's most frequent co-authors

Recent publications by Dr. Fer

See all 2 publications and co-authors

See who Dr. Fer researches with

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

How network discovery works

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

Dr. Danyal Fer received $2,737 in industry payments from 2023 to 2025

CMS Open Payments shows 10 general payments to Dr. Fer from 5 drug and device companies from 2023 to 2025. Education make up the largest share, 82% of the total. Intuitive Surgical, Inc. paid the most, $2,458.

General payments to Dr. Fer by program year, 2023 to 2025

General payments to Dr. Fer by kind, 2023 to 2025

$2.7Kin total
  • Education$2,25082%
  • Food and beverage$48718%

Companies that paid Dr. Fer the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Fer

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

Dr. Danyal Fer graduated from Indiana University School Of Medicine

Dr. Fer graduated from Indiana University School Of Medicine in 2015.

  1. Medical schoolIndiana University School Of Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Danyal Fer accepts plans from 16 insurance carriers

Dr. Fer is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Cigna
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +8 more carriersWith a free account

Plan types Dr. Fer accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO8
  4. POS5
  5. EPO4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Danyal Fer'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 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 percentilesClinician Public Reporting: Overall MIPS Performance (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)
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. Danyal Fer

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. Danyal Fer's NPI number?

Dr. Danyal Fer's NPI number is 1104203843. It was assigned on May 1, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Danyal Fer?

Dr. Danyal Fer is a general surgeon in Fairfield, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Danyal Fer practice?

Dr. Fer practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. Dr. Fer's primary practice is NorthBay Medical Center in Fairfield, California, part of NorthBay Healthcare.

What is Dr. Danyal Fer's office phone number?

The practice phone on file for Dr. Fer is (707) 646-5000.

What is Dr. Danyal Fer's medical license number?

Dr. Fer holds California license A148395, one of the licenses on file in 2 states.

Which states has Dr. Danyal Fer been licensed in?

Dmand AI has state licenses on file for Dr. Fer in California (2017 to 2027) and Georgia (2023 to 2025).

Which hospitals is Dr. Danyal Fer affiliated with?

Dr. Fer practices at NorthBay Medical Center in Fairfield, California.

What is Dr. Danyal Fer's MIPS score?

Dr. Fer's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Danyal Fer see?

CMS counts 20 Medicare patients who saw Dr. Fer in 2024, with an average age of 69.

Is Dr. Danyal Fer board certified?

Yes. Dr. Fer is board certified in surgery by the American Board of Surgery.

Show 7 more questionsShow fewer questions

Where did Dr. Danyal Fer go to medical school?

Dr. Fer graduated from Indiana University School Of Medicine in 2015.

What drugs does Dr. Danyal Fer prescribe most?

In 2024 Medicare Part D data, Dr. Fer's most prescribed drugs by claims were Oxycodone HCl and Pantoprazole Sodium.

Has Dr. Danyal Fer received payments from drug or device companies?

CMS Open Payments shows $2,737 in general payments to Dr. Fer from 5 companies from 2023 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Danyal Fer been practicing?

Dr. Fer graduated from medical school in 2015, 11 years ago.

Does Dr. Danyal Fer do research?

Dmand AI links 2 publications to Dr. Fer.

Who does Dr. Danyal Fer publish with?

Dr. Fer's most frequent co-authors are Varun Kejriwal Goel, MD (1 shared paper) and Daniel A. Hashimoto, MD, MS (1 shared paper).

What insurance does Dr. Danyal Fer accept?

Dr. Fer is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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