Dr. Preema Mehta Buch, MD
- Medicare services, 2024
- 1,156
- Medicare patients, 2024
- 404
- Part D claims, 2024
- 812
- MIPS score, 2024
- 95
- Industry payments
- $722
- Practice address
- 20046 Lake Chabot Rd, Castro Valley, CA 94546
- Practice phone
- Call (510) 881-8823
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eye Specialties Medical Group Inc.
Castro Valley, California
Find Dr. Buch's professional email, personal email and mobile number
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Dr. Preema Mehta Buch is an ophthalmologist in Castro Valley, California
Dr. Buch practices at Eye Specialties Medical Group Inc. in Castro Valley, California.
Dr. Buch's NPI, 1366852865, was assigned on May 6, 2014. Dr. Buch graduated from Howard University College of Medicine in 2014. Dr. Buch holds Pennsylvania license MD464155.
- NPI
- 1366852865NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800141664
- NPI enumeration date
- May 6, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 881-8823
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Preema Mehta Buch practices at Eye Specialties Medical Group Inc. in Castro Valley, California
Dr. Buch's primary practice is Eye Specialties Medical Group Inc., at 20046 Lake Chabot Rd, Castro Valley, CA 94546 in Alameda County. The practice phone is (510) 881-8823.
- Eye Specialties Medical Group Inc.20046 Lake Chabot Rd, Castro Valley, CA 94546 · Alameda CountyPhone(510) 881-8823
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Preema Mehta Buch is affiliated with 3 sites of care and 3 medical groups
Dr. Buch's primary practice is Eye Specialties Medical Group Inc. in Castro Valley, California. The medical group on file is Temple Faculty Physicians. Dmand AI also links Dr. Buch to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Preema Mehta Buch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buch practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eye Specialties Medical Group Inc. | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Preema Mehta Buch is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Buch's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Buch is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Buch
Counts of ophthalmologists 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. Preema Mehta Buch billed Medicare for 1,156 services in 2024
CMS data shows 1,156 Medicare services from Dr. Buch across 10 procedure codes in 2024, for 404 Medicare patients. Medicare paid $93,770 for them. Every service was in an office.
Dr. Buch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9072024: 1,01912%
- Imaging
- 2023: 02024: 61
- Office and hospital visits
- 2023: 142024: 58314%
- Surgery
- 2023: 02024: 18
Dr. Buch compared with the California median for ophthalmologists, 2024
- Dr. Buch
- California median
- Medicare services
- 1,156vs 1,0797% above
- Medicare patients
- 404vs 421Close to median
- Part D claims
- 736vs 61819% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Buch'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. Buch and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Preema Mehta Buch treated 404 Medicare patients in 2024, average age 74
CMS counts 404 Medicare patients who saw Dr. Buch in 2024. The largest group is 65 to 74, with 182 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Buch's median patient age at 66, with 65% women.
Dr. Buch's Medicare patients by age, 2024
Dr. Buch's Medicare patients by sex, 2024
- Women25162%
- Men15338%
Chronic conditions among Dr. Buch's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Diabetes40%
- Arthritis36%
- Chronic kidney disease25%
- Ischemic heart disease18%
- Osteoporosis17%
- Depression15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Buch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women65%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Preema Mehta Buch wrote 812 Medicare Part D claims in 2024
In 2024, Dr. Buch wrote 812 Medicare Part D claims for 166 patients. 48% of them were for generic drugs. CMS names the drug for 736 of them, across 15 drugs with 11 or more claims each, at $99,606 in total drug cost. In 2023, CMS named 332 claims across 10 drugs.
Dr. Buch's Part D claims by kind of drug, 2024
- Generic391 claims48%
- Brand-name421 claims52%
Dr. Buch'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3322024: 736122%
Drugs named by CMS: 15 in 2024, 10 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. Preema Mehta Buch scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Buch for performance year 2024, reported as part of a group. Dr. Buch accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Buch's MIPS scores, performance year 2024
- 95of 100Final score
- 93.6of 100Quality
- 93of 100Promoting Interoperability
- 40of 100Improvement Activities
- 80of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Preema Mehta Buch received $722 in industry payments from 2018 to 2025
CMS Open Payments shows 24 general payments to Dr. Buch from 11 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $308.
General payments to Dr. Buch by program year, 2018 to 2025
Companies that paid Dr. Buch the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Preema Mehta Buch graduated from Howard University College of Medicine
Dr. Buch graduated from Howard University College of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Preema Mehta Buch'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Preema Mehta Buch
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. Preema Mehta Buch's NPI number?
Dr. Preema Mehta Buch's NPI number is 1366852865. It was assigned on May 6, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Preema Mehta Buch?
Dr. Preema Mehta Buch is an ophthalmologist in Castro Valley, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Preema Mehta Buch practice?
Dr. Buch practices at 20046 Lake Chabot Rd, Castro Valley, CA 94546. Dr. Buch's primary practice is Eye Specialties Medical Group Inc. in Castro Valley, California. Dmand AI also links Dr. Buch to 2 group practices and clinics and 2 medical groups.
What is Dr. Preema Mehta Buch's office phone number?
The practice phone on file for Dr. Buch is (510) 881-8823.
What is Dr. Preema Mehta Buch's medical license number?
Dr. Buch holds Pennsylvania license MD464155.
What medical group is Dr. Preema Mehta Buch part of?
Dr. Buch is linked to Temple Faculty Physicians. Dmand AI links Dr. Buch to 2 more medical groups.
Does Dr. Preema Mehta Buch accept Medicare?
Yes. CMS data shows Dr. Buch billed Medicare for 1,156 services in 2024, and Dr. Buch accepts Medicare assignment.
What is Dr. Preema Mehta Buch's MIPS score?
Dr. Buch's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does Dr. Preema Mehta Buch see?
CMS counts 404 Medicare patients who saw Dr. Buch in 2024, with an average age of 74.
What services does Dr. Preema Mehta Buch bill to Medicare?
In 2024, Dr. Buch's most billed Medicare services were eye exam or test (92012), eye exam or test (92014) and eye exam or test (92083).
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Where did Dr. Preema Mehta Buch go to medical school?
Dr. Buch graduated from Howard University College of Medicine in 2014.
What drugs does Dr. Preema Mehta Buch prescribe most?
In 2024 Medicare Part D data, Dr. Buch's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Dorzolamide-Timolol.
Has Dr. Preema Mehta Buch received payments from drug or device companies?
CMS Open Payments shows $722 in general payments to Dr. Buch from 11 companies from 2018 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Preema Mehta Buch been practicing?
Dr. Buch graduated from medical school in 2014, 12 years ago.
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