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Dr. Mark Gerard Spybrook, MD
NPI1801927835PAC ID8022206010
- Medicare services, 2024
- 16
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 11
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 6600 Bruceville Road, Sacramento, CA 95823
- Practice phone
- Call (916) 688-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Spybrook'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. Mark Gerard Spybrook is an internist in Sacramento, California
Dr. Spybrook practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
Dr. Spybrook's NPI, 1801927835, was assigned on March 9, 2007. Dr. Spybrook graduated from Wayne State University School Of Medicine in 1999. Dr. Spybrook holds California license A75057.
NPI and contact details
- NPI
- 1801927835NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022206010
- NPI enumeration date
- March 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 688-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Gerard Spybrook practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California
Dr. Spybrook's primary practice is Kaiser Permanente South Sacramento Medical Center, at 6600 Bruceville Road, Sacramento, CA 95823 in Sacramento County. The practice phone is (916) 688-2000.
- Kaiser Permanente South Sacramento Medical Center6600 Bruceville Road, Sacramento, CA 95823 · Sacramento CountyPhone(916) 688-2000
Source: Dmand AI Affiliation Data
Dr. Mark Gerard Spybrook is affiliated with 1 site of care and 1 medical group
Dr. Spybrook's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Gerard Spybrook's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spybrook practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South Sacramento Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Gerard Spybrook is one of 16,751 internists in California
Internal medicine is Dr. Spybrook's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Spybrook is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Spybrook
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
16,751internists in California521internists in Sacramento42internists at Kaiser Permanente South Sacramento Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Gerard Spybrook billed Medicare for 16 services in 2024
CMS data shows 16 Medicare services from Dr. Spybrook across 1 procedure code in 2024, for 23 Medicare patients. Medicare paid $1,678 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202416
Medicare patients23
Paid by Medicare$1,678
Procedure codes1
Dr. Spybrook's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 312024: 1648%
Dr. Spybrook compared with the California median for internists, 2024
- Dr. Spybrook
- California median
- Medicare services
- 16vs 36196% below
- Medicare patients
- 23vs 15185% below
- Part D claims
- 60vs 42186% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Spybrook'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.
Need commercial claims for Dr. Spybrook?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Spybrook and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Gerard Spybrook treated 23 Medicare patients in 2024, average age 70
CMS counts 23 Medicare patients who saw Dr. Spybrook in 2024. 75% of them have high blood pressure, and 74% have chronic kidney disease. Their average risk score is 3.17, 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. Spybrook's median patient age at 67, with 54% women.
Medicare patients, 202423
Average age70
Average risk score3.17
Chronic conditions among Dr. Spybrook's Medicare patients, 2024
- High blood pressure75%
- Chronic kidney disease74%
- Heart failure61%
- Diabetes57%
- High cholesterol57%
- Mood disorders52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Spybrook's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Gerard Spybrook wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Spybrook wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $605 in total drug cost. In 2019, CMS named 187 claims across 11 drugs.
Part D claims, 202411
Drugs named by CMS4
Total drug cost$605
Dr. Spybrook's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1872020: 6068%
Drugs named by CMS: 4 in 2020, 11 in 2019.
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. Mark Gerard Spybrook takes part in Medicare
Dr. Spybrook 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. Mark Gerard Spybrook has 1 publication on record
Dmand AI links 1 paper to Dr. Spybrook. Dr. Spybrook's most frequent co-author is Grace H. Elta, MD.
Papers1
Dr. Spybrook's most frequent co-authors
Recent publications by Dr. Spybrook
See who Dr. Spybrook researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Spybrook works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Gerard Spybrook graduated from Wayne State University School Of Medicine
Dr. Spybrook graduated from Wayne State University School Of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Mark Gerard Spybrook accepts plans from 2 insurance carriers
Dr. Spybrook is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Spybrook accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark Gerard Spybrook'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)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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Mark Gerard Spybrook
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. Mark Gerard Spybrook's NPI number?
Dr. Mark Gerard Spybrook's NPI number is 1801927835. It was assigned on March 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Gerard Spybrook?
Dr. Mark Gerard Spybrook is an internist in Sacramento, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark Gerard Spybrook practice?
Dr. Spybrook practices at 6600 Bruceville Road, Sacramento, CA 95823. Dr. Spybrook's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
What is Dr. Mark Gerard Spybrook's office phone number?
The practice phone on file for Dr. Spybrook is (916) 688-2000.
What is Dr. Mark Gerard Spybrook's medical license number?
Dr. Spybrook holds California license A75057.
Which hospitals is Dr. Mark Gerard Spybrook affiliated with?
Dr. Spybrook practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California.
What medical group is Dr. Mark Gerard Spybrook part of?
Dr. Spybrook is linked to The Permanente Medical Group, Inc.
Does Dr. Mark Gerard Spybrook accept Medicare?
Yes. CMS data shows Dr. Spybrook billed Medicare for 16 services in 2024, and Dr. Spybrook accepts Medicare assignment.
How many Medicare patients does Dr. Mark Gerard Spybrook see?
CMS counts 23 Medicare patients who saw Dr. Spybrook in 2024, with an average age of 70.
What services does Dr. Mark Gerard Spybrook bill to Medicare?
In 2024, Dr. Spybrook's most billed Medicare services were hospital inpatient care (99222).
Show 6 more questionsShow fewer questions
Where did Dr. Mark Gerard Spybrook go to medical school?
Dr. Spybrook graduated from Wayne State University School Of Medicine in 1999.
What drugs does Dr. Mark Gerard Spybrook prescribe most?
In 2020 Medicare Part D data, Dr. Spybrook's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Carvedilol.
How long has Dr. Mark Gerard Spybrook been practicing?
Dr. Spybrook graduated from medical school in 1999, 27 years ago.
Does Dr. Mark Gerard Spybrook do research?
Dmand AI links 1 publication to Dr. Spybrook.
Who does Dr. Mark Gerard Spybrook publish with?
Dr. Spybrook's most frequent co-authors are Grace H. Elta, MD (1 shared paper).
What insurance does Dr. Mark Gerard Spybrook accept?
Dr. Spybrook is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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