Jeffrey Singerman, M.D.
Gastroenterology Internal Medicine
Jeffrey Singerman is a Gastroenterology Internal Medicine specialist based in Castro Valley, CA with over 21 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Jeffrey Singerman, M.D. has practiced internal medicine for 21+ years, working in group practice. Trained at George Washington University School of Medicine (class of 2005), he has been practicing for over 21 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and diabetes. CMS MIPS quality score: 80.78/100 (2023).
At a glance
- Uses generic medications more than 26% of reporting doctors in California
- Federal MIPS score higher than 47% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 1391dNPPES updated 2022-08-01 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
19845 Lake Chabot Rd Suite 104, Castro Valley, CA 94546-4055
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in California, favors affordable generic drugs over brand-name ones.
MIPS Score
202380.78/100
California avg: 78.6 · US avg: 83.6
⚠ Lower than most doctors nationally(-2.8 pts)
Average range among MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better81.3%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-1.5 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
454
Unique beneficiaries
Standard volumePrescription Recipients
343
Patients prescribed
Prescriptions Written
1,270
Total claims
Total Medicare drug cost: $258k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-12%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+3%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-7%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2005
George Washington University School of Medicine and Health Sciences
Board certified · Jul 31, 2022
Self-reported via NPPES
21 years in practice
Experienced
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
George Washington University School of Medicine (Class of 2005)
Primary hospital affiliation: Critical Access Hospitals
CMS Certification Number: 201305
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Jeffrey Singerman
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Jeffrey Singerman for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Castro Valley required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Jeffrey Singerman
NPI records show Dr. Singerman as active with telehealth listed in Castro Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (510) 537-4415.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Jeffrey Singerman
Practice Location
19845 Lake Chabot Rd Suite 104, Castro Valley, CA 94546-4055
Mailing Address
19845 Lake Chabot Rd Suite 104, Castro Valley, CA 94546-4055
This is a provider directory. Contact the office directly to schedule appointments.
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