Dr. John P. Keenan, MD
- Medicare services, 2016
- 104
- Part D claims, 2016
- 65
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4650 Lincoln Blvd, Marina Del Rey, CA 90292
- Practice phone
- Call (310) 823-8911
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Keenan's professional email, personal email and mobile number
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Dr. John P. Keenan is a gynecology physician in Marina Del Rey, California
Dr. Keenan practices at Cedars-Sinai Marina Hospital in Marina Del Rey, California, part of Cedars-Sinai Health System.
Dr. Keenan's NPI, 1861438442, was assigned on June 21, 2006. Dr. Keenan holds Massachusetts license 41197.
- NPI
- 1861438442NPI Registry (opens in a new tab)
- NPI enumeration date
- June 21, 2006
- NPI status
- Active
- Practice phone
- (310) 823-8911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John P. Keenan practices at Cedars-Sinai Marina Hospital in Marina Del Rey, California
Dr. Keenan's primary practice is Cedars-Sinai Marina Hospital, at 4650 Lincoln Blvd, Marina Del Rey, CA 90292 in Los Angeles County. The practice phone is (310) 823-8911.
- Cedars-Sinai Marina Hospital4650 Lincoln Blvd, Marina Del Rey, CA 90292 · Los Angeles CountyPhone(310) 823-8911
Source: Dmand AI Affiliation Data
Dr. John P. Keenan is affiliated with 1 site of care
Dr. Keenan's primary practice is Cedars-Sinai Marina Hospital in Marina Del Rey, California, part of Cedars-Sinai Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John P. Keenan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keenan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cedars-Sinai Marina Hospital | 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 Cedars-Sinai Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John P. Keenan is one of 297 gynecology physicians in California
Gynecology is Dr. Keenan's primary specialty in the NPI Registry, under taxonomy code 207VG0400X. Dr. Keenan is licensed in Massachusetts.
Specialties and state licenses
- Gynecology, MassachusettsPrimary
Gynecology physicians near Dr. Keenan
Counts of gynecology physicians 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. John P. Keenan billed Medicare for 104 services in 2016
CMS data shows 104 Medicare services from Dr. Keenan across 3 procedure codes in 2016. Medicare paid $5,550 for them. Every service was in an office.
Dr. Keenan's Medicare services by type, 2016
- Office and hospital visits75
- Other services29
Dr. Keenan compared with the California median for gynecology physicians, 2016
- Dr. Keenan
- California median
- Medicare services
- 104vs 104Close to median
- Part D claims
- 65vs 608% above
Medians across 253 gynecology physicians in California with Dmand AI profiles that report each measure.
Dr. Keenan's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Keenan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keenan and other gynecology physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John P. Keenan's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Keenan's median patient age at 60, with 100% women.
Dr. Keenan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. John P. Keenan wrote 65 Medicare Part D claims in 2016
In 2016, Dr. Keenan wrote 65 Medicare Part D claims. They cover 4 drugs, with $1,224 in total drug cost.
Dr. Keenan's most prescribed drugs by claims, 2016
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
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. John P. Keenan'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. John P. Keenan
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. John P. Keenan's NPI number?
Dr. John P. Keenan's NPI number is 1861438442. It was assigned on June 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John P. Keenan?
Dr. John P. Keenan is a gynecology physician in Marina Del Rey, California. The primary specialty in the NPI Registry is Gynecology Physician (taxonomy code 207VG0400X).
Where does Dr. John P. Keenan practice?
Dr. Keenan practices at 4650 Lincoln Blvd, Marina Del Rey, CA 90292. Dr. Keenan's primary practice is Cedars-Sinai Marina Hospital in Marina Del Rey, California, part of Cedars-Sinai Health System.
What is Dr. John P. Keenan's office phone number?
The practice phone on file for Dr. Keenan is (310) 823-8911.
What is Dr. John P. Keenan's medical license number?
Dr. Keenan holds Massachusetts license 41197.
Which hospitals is Dr. John P. Keenan affiliated with?
Dr. Keenan practices at Cedars-Sinai Marina Hospital in Marina Del Rey, California.
Does Dr. John P. Keenan accept Medicare?
Yes. CMS data shows Dr. Keenan billed Medicare for 104 services in 2016.
What services does Dr. John P. Keenan bill to Medicare?
In 2016, Dr. Keenan's most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and office visit, new patient (99203).
What drugs does Dr. John P. Keenan prescribe most?
In 2016 Medicare Part D data, Dr. Keenan's most prescribed drugs by claims were Estradiol, Levora-28 and Lutera.
How long has Dr. John P. Keenan been practicing?
Dr. Keenan's NPI was assigned in 2006.
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