Dr. Derek L. Passer, MD
- Medicare services, 2024
- 17
- Medicare patients, 2024
- 168
- Part D claims, 2018
- 13
- Hospital affiliations
- 3
- Industry payments
- $42
- Practice address
- 515 Main Street, Olean, NY 14760
- Practice phone
- Call (716) 373-2600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Passer'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.
Dr. Derek L. Passer is an anesthesiologist in Olean, New York
Dr. Passer practices at Olean General Hospital in Olean, New York, part of Kaleida Health.
Dr. Passer's NPI, 1174055693, was assigned on April 3, 2017. Dr. Passer graduated from University of Nebraska College of Medicine in 2017. Dr. Passer holds California license A182607.
- NPI
- 1174055693NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830435585
- NPI enumeration date
- April 3, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 373-2600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derek L. Passer practices at Olean General Hospital in Olean, New York
Dr. Passer's primary practice is Olean General Hospital, at 515 Main Street, Olean, NY 14760 in Cattaraugus County. The practice phone is (716) 373-2600.
- Olean General Hospital515 Main Street, Olean, NY 14760 · Cattaraugus CountyPhone(716) 373-2600
Source: Dmand AI Affiliation Data
Dr. Derek L. Passer is affiliated with 11 sites of care and 12 medical groups
Dr. Passer's primary practice is Olean General Hospital in Olean, New York, part of Kaleida Health. Dr. Passer is also affiliated with Aspirus Rhinelander Hospital. The medical group on file is Great Lakes Anesthesiology. Dmand AI also links Dr. Passer to 1 more hospital, 11 medical groups, 6 group practices and clinics and 2 rural health clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Derek L. Passer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Passer practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Olean General Hospital | Available with a free account |
| +10 more sites and 11 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaleida Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Derek L. Passer is one of 3,858 anesthesiologists in New York
Anesthesiology is Dr. Passer's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Passer's licenses on file in 4 states: California, Colorado, Washington and Wisconsin.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Colorado license
- Washington license
- Wisconsin license
Anesthesiologists near Dr. Passer
Counts of anesthesiologists 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. Derek L. Passer billed Medicare for 17 services in 2024
CMS data shows 17 Medicare services from Dr. Passer across 1 procedure code in 2024, for 168 Medicare patients. Medicare paid $1,689 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Passer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 282024: 1739%
- Imaging
- 2023: 302024: 0100%
- Surgery
- 2023: 172024: 0100%
Dr. Passer compared with the New York median for anesthesiologists, 2024
- Dr. Passer
- New York median
- Medicare services
- 17vs 7678% below
- Medicare patients
- 168vs 13227% above
- Part D claims
- 13vs 2446% below
Medians across 3,723 anesthesiologists in New York with Dmand AI profiles that report each measure.
Dr. Passer'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Passer and other anesthesiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek L. Passer treated 168 Medicare patients in 2024, average age 74
CMS counts 168 Medicare patients who saw Dr. Passer in 2024. The largest group is 65 to 74, with 73 patients. 72% of them have high blood pressure, and 70% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.54, 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. Passer's median patient age at 64, with 55% women.
Dr. Passer's Medicare patients by age, 2024
Dr. Passer's Medicare patients by sex, 2024
- Women7846%
- Men9054%
Chronic conditions among Dr. Passer's Medicare patients, 2024
- High blood pressure72%
- High cholesterol70%
- Arthritis46%
- Ischemic heart disease33%
- Diabetes32%
- Chronic kidney disease31%
- Heart failure26%
- Cancer25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Passer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Derek L. Passer wrote 13 Medicare Part D claims in 2018
In 2018, Dr. Passer wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $108 in total drug cost.
Dr. Passer's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Derek L. Passer takes part in Medicare
Dr. Passer 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)
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Dr. Derek L. Passer received $42 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Passer from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Chiesi USA, Inc. paid the most, $42.
Companies that paid Dr. Passer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek L. Passer graduated from University of Nebraska College of Medicine
Dr. Passer graduated from University of Nebraska College of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek L. Passer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Derek L. Passer
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. Derek L. Passer's NPI number?
Dr. Derek L. Passer's NPI number is 1174055693. It was assigned on April 3, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek L. Passer?
Dr. Derek L. Passer is an anesthesiologist in Olean, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Derek L. Passer practice?
Dr. Passer practices at 515 Main Street, Olean, NY 14760. Dr. Passer's primary practice is Olean General Hospital in Olean, New York, part of Kaleida Health. Dmand AI also links Dr. Passer to 1 hospital, 11 medical groups, 6 group practices and clinics and 2 rural health clinics.
What is Dr. Derek L. Passer's office phone number?
The practice phone on file for Dr. Passer is (716) 373-2600.
What is Dr. Derek L. Passer's medical license number?
Dr. Passer holds California license A182607, one of the licenses on file in 4 states.
Which states has Dr. Derek L. Passer been licensed in?
Dmand AI has state licenses on file for Dr. Passer in California, Colorado, Washington and Wisconsin.
Which hospitals is Dr. Derek L. Passer affiliated with?
Dr. Passer practices at Olean General Hospital in Olean, New York. Dr. Passer is also affiliated with Aspirus Rhinelander Hospital. Dmand AI links Dr. Passer to 1 more hospital.
What medical group is Dr. Derek L. Passer part of?
Dr. Passer is linked to Great Lakes Anesthesiology. Dmand AI links Dr. Passer to 11 more medical groups.
Does Dr. Derek L. Passer accept Medicare?
Yes. CMS data shows Dr. Passer billed Medicare for 17 services in 2024, and Dr. Passer accepts Medicare assignment.
How many Medicare patients does Dr. Derek L. Passer see?
CMS counts 168 Medicare patients who saw Dr. Passer in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Derek L. Passer bill to Medicare?
In 2024, Dr. Passer's most billed Medicare services were anesthesia (00731).
Where did Dr. Derek L. Passer go to medical school?
Dr. Passer graduated from University of Nebraska College of Medicine in 2017.
What drugs does Dr. Derek L. Passer prescribe most?
In 2018 Medicare Part D data, Dr. Passer's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Derek L. Passer received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Dr. Passer from 1 company from 2025 to 2025. The largest total came from Chiesi USA, Inc.
How long has Dr. Derek L. Passer been practicing?
Dr. Passer graduated from medical school in 2017, 9 years ago.
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