Are you Jacob C. Holzer, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- Westborough State Hospital, 288 Lyman St, Westborough, MA 01581
About Dr. Holzer
Jacob C. Holzer, M.D. is a healthcare provider in Westborough, MA specializing in psychiatry. Jacob trained at Tufts University School of Medicine, graduating in 1986. Medicare claims data shows Jacob provided 209 services to 145 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1144235433.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (508) 616-2525
- Email not available
Practice Locations
WESTBOROUGH STATE HOSPITAL 288 LYMAN ST
Westborough, MA 01581
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
209 services · 145 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
111 | More often than most peers in Psychiatry |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
58 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
27 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 | Less often than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other psychiatrists in Westborough 8
Same specialty, same city.
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Jacob C. Holzer's specialty?
Jacob C. Holzer is a psychiatrist in Westborough, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where can I find Jacob C. Holzer?
Jacob C. Holzer is listed at Westborough State Hospital 288 Lyman St, Westborough, MA 01581. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Jacob C. Holzer?
The number on file is (508) 616-2525. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Jacob C. Holzer?
Jacob C. Holzer's National Provider Identifier is 1144235433. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Jacob C. Holzer's education?
Jacob C. Holzer attended Tufts University School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jacob C. Holzer have?
Jacob C. Holzer has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is Jacob C. Holzer known for?
According to Medicare billing data, Jacob C. Holzer the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jacob C. Holzer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jacob C. Holzer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.