Preema Mehta Buch, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

A168154 Issued in CA

Practice address

20046 Lake Chabot Rd
Castro Valley, CA 94546-5304

Phone

(510) 881-8823

Fax

(510) 881-2134

NPI assigned

May 6, 2014

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in PA, CA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Ophthalmology

Education

Howard University College of Medicine, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Eye Specialties Medical Group Inc.Group PAC ID 1557756251, 3 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

95.2 of 100Reported as group

Quality

93.58

Promoting interoperability

93

Improvement activities

40

Cost

79.6

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: pbuch678223@hisp.ehr.sutterhealth.org
• Direct secure messaging: preema.buch.p1@direct.willseye.nextgenshare.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Eye Specialties Medical Group Inc.

  • Ophthalmology Physician
  • Castro Valley, CA
  • NPI 1568030260
  Medicare reassignment Care Compare group NPD
• V. Nicholas Batra M.D. Inc.

  • Ophthalmology Physician
  • San Leandro, CA
  • NPI 1649344722
  Medicare reassignment NPD
• Temple Faculty Practice Plan Inc

  • Anesthesiology Physician
  • Philadelphia, PA
  • NPI 1881176949
  Medicare reassignment NPD
• Temple Faculty Practice Plan Inc

  • Urology Physician
  • Voorhees, NJ
  • NPI 1407638794
  NPD
• Temple Faculty Practice Plan, Inc

  • Psychiatry Physician
  • Philadelphia, PA
  • NPI 1447733118
  NPD
• Alta Bates Summit Medical Center

  • Substance Use Disorder Rehabilitation Hospital Unit
  • Oakland, CA
  • NPI 1043358542
  NPD (past)
• Eden Medical Center/San Leandro Hospital Campus

  • Rehabilitation Hospital Unit
  • San Leandro, CA
  • NPI 1679523633
  NPD (past)
• Hill Physicians Medical Group - PPO Program

  • Preferred Provider Organization
  • San Ramon, CA
  • NPI 1679011035
  NPD (past)
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1730238007
  NPD (past)
• City of Phila Trustee Acting by the BRD of Dir of City Trusts

  • Special Hospital
  • Philadelphia, PA
  • NPI 1881899284
  NPD (past)
• Riverside Medical Group PC

  • Internal Medicine Physician
  • Lowell, MA
  • NPI 1508821646
  NPD (past)
• Temple University Hospital, Inc

  • General Acute Care Hospital
  • Philadelphia, PA
  • NPI 1962579029
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1399334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1366852865",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20046 LAKE CHABOT RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465304",
            "telephone_number": "510-881-8823",
            "fax_number": "510-881-2134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20046 LAKE CHABOT RD",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465304",
            "telephone_number": "510-881-8823",
            "fax_number": "510-881-2134"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BUCH",
        "first_name": "PREEMA",
        "middle_name": "MEHTA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-06",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A168154",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jan Brooks, BSDH, RDH, RDHAP
• Brandon Brown, P.T.
• Bruce Ahtye DDS
• Helen Bruner, LCSW
• Shane Michael Bruno, PTA
• Amer A. Budayr, MD
• Penna Kim Bui, M.D.
• Bullo LLC
• Narayana Venkata Bulusu, M.D.
• Lucrecia Bunn-Rubio

• Ophthalmology Physician in Castro Valley, CA
• Providers in Castro Valley, CA by specialty
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.