Dr. Robert A. Gleser, MD
- Medicare services, 2024
- 2,206
- Medicare patients, 2024
- 487
- Part D claims, 2024
- 7,421
- MIPS score, 2024
- 81
- Hospital affiliations
- 6
- Practice address
- 651 1st W St, Sonoma, CA 95476
- Practice phone
- Call (415) 884-1840
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prima Medical Foundation
Sonoma, California
Find Dr. Gleser'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. Robert A. Gleser is an internist in Sonoma, California
Dr. Gleser practices at Prima Medical Foundation in Sonoma, California.
Dr. Gleser's NPI, 1679538516, was assigned on April 20, 2006. Dr. Gleser graduated from University of the Witwatersrand in 1970. Dr. Gleser's Colorado license number on file is 21533.
- NPI
- 1679538516NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426941162
- NPI enumeration date
- April 20, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (415) 884-1840
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert A. Gleser practices at Prima Medical Foundation in Sonoma, California
Dr. Gleser's primary practice is Prima Medical Foundation, at 651 1st W St, Sonoma, CA 95476 in Sonoma County. The practice phone is (415) 884-1840.
- Prima Medical Foundation651 1st W St, Sonoma, CA 95476 · Sonoma CountyPhone(415) 884-1840
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert A. Gleser is affiliated with 13 sites of care and 2 medical groups
Dr. Gleser's primary practice is Prima Medical Foundation in Sonoma, California. Dr. Gleser is also affiliated with Sonoma Valley Hospital. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Gleser to 5 more hospitals, 5 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert A. Gleser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gleser practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prima Medical Foundation | Available with a free account |
| +12 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert A. Gleser is one of 16,751 internists in California
Internal medicine is Dr. Gleser's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gleser is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Gleser's licenses on file in 2 states: Colorado and California.
Specialties and state licenses
- Internal medicine, ColoradoPrimary
- California license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), acute sinusitis, acute skin infection, alcohol use disorders, alzheimer's disease, aneurysm, anxiety and aortic atherosclerois among the conditions Dr. Gleser treats.
Internists near Dr. Gleser
Counts of internists 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. Robert A. Gleser billed Medicare for 2,206 services in 2024
CMS data shows 2,206 Medicare services from Dr. Gleser across 21 procedure codes in 2024, for 487 Medicare patients. Medicare paid $139,234 for them. Every service was in an office.
Dr. Gleser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3362024: 1,15014%
- Other services
- 2023: 3792024: 801111%
- Tests and treatments
- 2023: 2712024: 18432%
- Lab and pathology
- 2023: 1642024: 4274%
- Surgery
- 2023: 282024: 294%
- Drugs given in the office
- 2023: 742024: 0100%
Dr. Gleser compared with the California median for internists, 2024
- Dr. Gleser
- California median
- Medicare services
- 2,206vs 3616.1 times
- Medicare patients
- 487vs 1513.2 times
- Part D claims
- 6,769vs 42116.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Gleser'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. Gleser and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert A. Gleser treated 487 Medicare patients in 2024, average age 76
CMS counts 487 Medicare patients who saw Dr. Gleser in 2024. The largest group is 65 to 74, with 208 patients. 75% of them have high cholesterol, and 62% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gleser's median patient age at 72, with 56% women.
Dr. Gleser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gleser's Medicare patients by sex, 2024
- Women25853%
- Men22947%
Chronic conditions among Dr. Gleser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis41%
- Mood disorders28%
- Ischemic heart disease27%
- Depression26%
- Anxiety21%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gleser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert A. Gleser wrote 7,421 Medicare Part D claims in 2024
In 2024, Dr. Gleser wrote 7,421 Medicare Part D claims for 732 patients. 88% of them were for generic drugs. CMS names the drug for 6,769 of them, across 119 drugs with 11 or more claims each, at $564,614 in total drug cost. In 2023, CMS named 7,507 claims across 131 drugs.
Dr. Gleser's Part D claims by kind of drug, 2024
- Generic6,549 claims88%
- Brand-name847 claims11%
- Other25 claims0%
Dr. Gleser's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gleser's Part D claims, 2024
- Opioids2%142 of 7,421 claims
- Antibiotics2%166 of 7,421 claims
- Antipsychotics, patients 65 and over1%64 of 7,421 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,5072024: 6,76910%
Drugs named by CMS: 119 in 2024, 131 in 2023.
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
Dr. Robert A. Gleser scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Gleser for performance year 2024. CMS lists Dr. Gleser as offering telehealth.
- Offers telehealth
- Yes
Dr. Gleser's MIPS scores, performance year 2024
- 81of 100Final score
- 80.9of 100Quality
- 76of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Robert A. Gleser received $3,315 in industry payments from 2016 to 2023
CMS Open Payments shows 219 general payments to Dr. Gleser from 40 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $402.
General payments to Dr. Gleser by program year, 2016 to 2023
Companies that paid Dr. Gleser the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert A. Gleser has 1 award and honors on record
Dmand AI lists 1 award for Dr. Gleser, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Gleser
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Robert A. Gleser graduated from University of the Witwatersrand
Dr. Gleser graduated from University of the Witwatersrand in 1970.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Robert A. Gleser accepts plans from 8 insurance carriers
Dr. Gleser is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Gleser accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert A. Gleser'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. Robert A. Gleser
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. Robert A. Gleser's NPI number?
Dr. Robert A. Gleser's NPI number is 1679538516. It was assigned on April 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert A. Gleser?
Dr. Robert A. Gleser is an internist in Sonoma, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert A. Gleser practice?
Dr. Gleser practices at 651 1st W St, Sonoma, CA 95476. Dr. Gleser's primary practice is Prima Medical Foundation in Sonoma, California. Dmand AI also links Dr. Gleser to 5 hospitals, 5 home health agencies, 1 group practice or clinic and 1 medical group.
What is Dr. Robert A. Gleser's office phone number?
The practice phone on file for Dr. Gleser is (415) 884-1840.
What is Dr. Robert A. Gleser's medical license number?
Dr. Gleser's Colorado license number on file is 21533, one of the licenses on file in 2 states.
Which states has Dr. Robert A. Gleser been licensed in?
Dmand AI has state licenses on file for Dr. Gleser in Colorado (1978 to 2021) and California (2018 to 2026).
Which hospitals is Dr. Robert A. Gleser affiliated with?
Dr. Gleser is affiliated with Sonoma Valley Hospital. Dmand AI links Dr. Gleser to 5 more hospitals.
What medical group is Dr. Robert A. Gleser part of?
Dr. Gleser is linked to UCSF Medical Group. Dmand AI links Dr. Gleser to 1 more medical group.
Does Dr. Robert A. Gleser accept Medicare?
Yes. CMS data shows Dr. Gleser billed Medicare for 2,206 services in 2024.
Does Dr. Robert A. Gleser offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gleser as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Robert A. Gleser's MIPS score?
Dr. Gleser's MIPS final score for performance year 2024 is 81 out of 100.
How many Medicare patients does Dr. Robert A. Gleser see?
CMS counts 487 Medicare patients who saw Dr. Gleser in 2024, with an average age of 76.
Is Dr. Robert A. Gleser board certified?
Yes. Dr. Gleser is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Robert A. Gleser bill to Medicare?
In 2024, Dr. Gleser's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Robert A. Gleser go to medical school?
Dr. Gleser graduated from University of the Witwatersrand in 1970.
What drugs does Dr. Robert A. Gleser prescribe most?
In 2024 Medicare Part D data, Dr. Gleser's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Robert A. Gleser received payments from drug or device companies?
CMS Open Payments shows $3,315 in general payments to Dr. Gleser from 40 companies from 2016 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Robert A. Gleser been practicing?
Dr. Gleser graduated from medical school in 1970, 56 years ago.
What insurance does Dr. Robert A. Gleser accept?
Dr. Gleser is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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