Physician Profile
Unclaimed ProfileAbout OFFENSEND
Timothy Q Offensend, MD is a healthcare provider in San Mateo, CA specializing in internal medicine. Timothy trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University, graduating in 1987. Timothy is also listed as specializing in specialist. Medicare claims data shows Timothy provided 955 services to 708 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (650) 347-0063
- Email not available
Practice Locations
50 S SAN MATEO DR STE 120
San Mateo, CA 94401
Procedures Most Often Billed to Medicare
955 services · 708 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
46 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
585 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
172 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
58 |
| Administration of influenza virus vaccine | Billing code | G0008 |
53 |
| Administration of pneumococcal vaccine | Billing code | G0009 |
25 |
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 internal medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 31 related providers in 4 groups
Other internal medicines in San Mateo 7
Same specialty, same city.
Trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Offensend's specialty?
Dr. Offensend is an internal medicine in San Mateo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Offensend?
Dr. Offensend is listed at 50 S SAN MATEO DR STE 120, San Mateo, CA 94401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Offensend?
The number on file is (650) 347-0063. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Offensend?
Dr. Offensend's National Provider Identifier is 1083667539. 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 Dr. Offensend's medical education?
Dr. Offensend attended Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Offensend have?
Dr. Offensend has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Offensend known for?
According to Medicare billing data, Dr. Offensend provides treatments such as influenza vaccine, inactivated and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Offensend's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Offensend. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.