Dr. Alexander Denny , DO
Anesthesiology โข Seattle, WA
1550 N 115th St
Seattle, WA 981338401
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Alexander Denny is listed in NPPES under Anesthesiology.
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NPI assigned on April 2, 2012; this date does not establish years in practice.
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Published CMS data list 32 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 00731 โ Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope: 19 service units.
- 00812 โ Anesthesia for exam of colon using an endoscope: 13 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See the full table ยท Guide: How to read Medicare Part B data
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Fewer Medicare Part B services than 65% of clinicians listed under Anesthesiology in Seattle, WA (2024, 318 clinicians with data). Median for this group: 50. Middle half: 24 to 99.
Fewer Medicare Part B services than 70% of clinicians listed under Anesthesiology in Washington (2024, 775 clinicians with data). Median for this group: 60. Middle half: 28 to 117.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 121 in 2019 to 32 in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2019โ2024.
Practice Location & Contact Primary Location
1550 N 115th St
Seattle, WA 981338401
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Anesthesiology: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
85 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2024.
Medicare-allowed amount
About $2,213 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Paid by Medicare
About $1,951 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Industry payments (Open Payments)
Fewer than 11 payment records totaling $16.58 in 2020
Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.
It shows reported financial ties between this clinician and companies. You can ask your clinician about them.
These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.
General: payments not tied to research, such as meals, travel, consulting or speaking fees.
A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.
Source: CMS Open Payments, program year 2020.
NPI first issued
2012
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Denny has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Denny as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Seattle and Washington
Billing and prescribing volume is not a quality rating.
Medicare Part B services
Fewer Medicare Part B services than 65% of clinicians listed under Anesthesiology in Seattle, WA (2024, 318 clinicians with data). Median for this group: 50. Middle half: 24 to 99.
Fewer Medicare Part B services than 70% of clinicians listed under Anesthesiology in Washington (2024, 775 clinicians with data). Median for this group: 60. Middle half: 28 to 117.
Medicare-allowed amount
A lower Medicare-allowed amount than 80% of clinicians listed under Anesthesiology in Seattle, WA (2024, 318 clinicians with data). Median for this group: $7,333. Middle half: $3,124 to $14,738.
A lower Medicare-allowed amount than 80% of clinicians listed under Anesthesiology in Washington (2024, 775 clinicians with data). Median for this group: $8,152. Middle half: $3,492 to $15,520.
Paid by Medicare
A lower Medicare payment amount than 75% of clinicians listed under Anesthesiology in Seattle, WA (2024, 318 clinicians with data). Median for this group: $5,738. Middle half: $2,555 to $11,776.
A lower Medicare payment amount than 80% of clinicians listed under Anesthesiology in Washington (2024, 775 clinicians with data). Median for this group: $6,478. Middle half: $2,755 to $12,449.
694 active clinicians are listed under Anesthesiology with a practice address in Seattle, WA (1,701 in Washington).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Seattle
1.6% of these 694 clinicians have the CMS telehealth indicator.
69% of these 694 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 74% from 121 in 2019 to 32 in 2024.
- 2019: 121
- 2020: 24
- 2021: 12
- 2022: 22
- 2024: 32
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Medicare-allowed amount
Medicare-allowed amount decreased 87% from $16,479 in 2019 to $2,213 in 2024.
- 2019: $16,479
- 2020: $5,587
- 2021: $4,076
- 2022: $3,167
- 2024: $2,213
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Paid by Medicare
Paid by Medicare decreased 85% from $13,165 in 2019 to $1,951 in 2024.
- 2019: $13,165
- 2020: $4,480
- 2021: $3,119
- 2022: $2,505
- 2024: $1,951
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Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2020 only.
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Open Payments (2020), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2020 (payments made January 1 โ December 31, 2020): fewer than 11 records totaling $16.58.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Merck Sharp & Dohme Corporation |
Food and Beverage
In-kind items and services
|
BRIDION | General | $16.58 |
Source: CMS Open Payments, program year 2020, released June 30, 2026.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016โ2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2017โ2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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00731
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope
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19 | 19 | $1250.43 | $70.78 |
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00812
Anesthesia for exam of colon using an endoscope
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13 | 13 | $1114.32 | $66.79 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207L00000X
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - ANESTHESIOLOGY
I20240329000881
WI
3072809730
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Nurse Anesthetist, Certified Registered
Emergency Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Anesthesiology
Doctor of Medicine (M.D.)
Anesthesiology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
NPI status registered as active in NPPES database
Registered at 1229 MADISON, SUITE 1440, SEATTLE, WA 981211967 (Tel: 2066250578)
Registered at 1550 N 115TH ST, SEATTLE, WA 981338401 (Tel: 2063640500)
Recorded as ALEXANDER DENNY, D.O.
Anesthesiology (license number reported to NPPES: WA OP60640684)
Registered at 1550 N 115TH ST, SEATTLE, WA 981338401 (Tel: 2063640500)
Registered at 583 BATTERY ST APT 708N, SEATTLE, WA 981211967 (Tel: 5419741891)
Anesthesiology (license number reported to NPPES: WA OP60640684)
NPI status registered as active in NPPES database
Registered at 9500 EUCLID AVE, CLEVELAND, OH 441950001 (Tel: 2164442200)
Registered at 9500 EUCLID AVE, CLEVELAND, OH 441950001 (Tel: 2164442200)
Recorded as ALEXANDER DENNY, D.O.
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Anesthesiology Specialists in Seattle
- Dr. Erlan Toulegenov, MD
- Dr. Krista Kennedy, MD
- Dr. Benjamin Toren, MD
- Michael Ang-Lee
- Dr. George Rooke, MD, PhD
- Dr. Olga Paniagua, MD
Mailing Address
1229 Madison, Suite 1440
Seattle, WA 981211967
Phone: 2066250578