Dr. Ames D. Ressa, MD
- Part D claims, 2024
- 16
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 1
- State licenses
- 2
- Practice address
- 4647 Zion Ave, San Diego, CA 92120
- Practice phone
- Call (619) 528-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ressa'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. Ames D. Ressa is a general surgeon in San Diego, California
Dr. Ressa practices at Kaiser Permanente Zion Medical Center in San Diego, California, part of Kaiser Permanente.
Dr. Ressa's NPI, 1487702338, was assigned on January 8, 2007. Dr. Ressa graduated from Vagelos College of Physicians and Surgeons in 1980. Dr. Ressa holds California license G55284.
- NPI
- 1487702338NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446443394
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 528-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ames D. Ressa practices at Kaiser Permanente Zion Medical Center in San Diego, California
Dr. Ressa's primary practice is Kaiser Permanente Zion Medical Center, at 4647 Zion Ave, San Diego, CA 92120 in San Diego County. The practice phone is (619) 528-5000.
- Kaiser Permanente Zion Medical Center4647 Zion Ave, San Diego, CA 92120 · San Diego CountyPhone(619) 528-5000
Source: Dmand AI Affiliation Data
Dr. Ames D. Ressa is affiliated with 1 site of care and 1 medical group
Dr. Ressa's primary practice is Kaiser Permanente Zion Medical Center in San Diego, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ames D. Ressa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ressa practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Zion Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ames D. Ressa is one of 2,926 general surgeons in California
Surgery is Dr. Ressa's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ressa is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Ressa's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- New York license
General surgeons near Dr. Ressa
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. Ames D. Ressa's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Ressa's median patient age at 68, with 61% women.
Dr. Ressa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Ames D. Ressa wrote 16 Medicare Part D claims in 2024
In 2024, Dr. Ressa wrote 16 Medicare Part D claims. 88% of them were for generic drugs. They cover 1 drug, with $125 in total drug cost. In 2021, CMS named 24 claims across 2 drugs.
Dr. Ressa's Part D claims by kind of drug, 2024
- Generic14 claims88%
- Brand-name and other2 claims13%
Dr. Ressa's most prescribed drugs by claims, 2022
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 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 242022: 1729%
Drugs named by CMS: 1 in 2022, 2 in 2021.
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. Ames D. Ressa takes part in Medicare
Dr. Ressa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ames D. Ressa has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ressa, most recently Board of Directors-Elected Member in 2019.
Awards and honors for Dr. Ressa
- 2019
- Board of Directors-Elected Member
Source: Dmand AI Professional Profile Data
Dr. Ames D. Ressa graduated from Vagelos College of Physicians and Surgeons
Dr. Ressa graduated from Vagelos College of Physicians and Surgeons in 1980.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Ames D. Ressa accepts plans from 1 insurance carrier
Dr. Ressa is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Ressa accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ames D. Ressa'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ames D. Ressa
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. Ames D. Ressa's NPI number?
Dr. Ames D. Ressa's NPI number is 1487702338. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ames D. Ressa?
Dr. Ames D. Ressa is a general surgeon in San Diego, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Ames D. Ressa practice?
Dr. Ressa practices at 4647 Zion Ave, San Diego, CA 92120. Dr. Ressa's primary practice is Kaiser Permanente Zion Medical Center in San Diego, California, part of Kaiser Permanente.
What is Dr. Ames D. Ressa's office phone number?
The practice phone on file for Dr. Ressa is (619) 528-5000.
What is Dr. Ames D. Ressa's medical license number?
Dr. Ressa holds California license G55284, one of the licenses on file in 2 states.
Which states has Dr. Ames D. Ressa been licensed in?
Dmand AI has state licenses on file for Dr. Ressa in California (1985 to 2027) and New York (1985 to 2011).
Which hospitals is Dr. Ames D. Ressa affiliated with?
Dr. Ressa practices at Kaiser Permanente Zion Medical Center in San Diego, California.
What medical group is Dr. Ames D. Ressa part of?
Dr. Ressa is linked to Southern California Permanente Medical Group.
Does Dr. Ames D. Ressa accept Medicare?
Yes. CMS lists Dr. Ressa as accepting Medicare assignment.
Is Dr. Ames D. Ressa board certified?
Yes. Dr. Ressa is board certified in surgery by the American Board of Surgery.
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Where did Dr. Ames D. Ressa go to medical school?
Dr. Ressa graduated from Vagelos College of Physicians and Surgeons in 1980.
What drugs does Dr. Ames D. Ressa prescribe most?
In 2022 Medicare Part D data, Dr. Ressa's most prescribed drugs by claims were Oxycodone-Acetaminophen.
How long has Dr. Ames D. Ressa been practicing?
Dr. Ressa graduated from medical school in 1980, 46 years ago.
What insurance does Dr. Ames D. Ressa accept?
Dr. Ressa is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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