Physician Profile
Based in Portsmouth, NH, Karen L. Palmer, DO is listed in the NPI registry under family practice. Karen graduated from Ohio University, College of Osteopathic Medicine in 1997. Karen is also listed as specializing in family medicine. According to Medicare claims data, Karen cared for 624 Medicare patients across 816 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. NPI 1326029380 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
25 NEW HAMPSHIRE AVE SUITE 100
Portsmouth, NH 03801
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Most searched procedures
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
816 services · 624 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
38 | More often than most peers in Family Practice |
| Influenza vaccine, inactivated | Treatment | 90653 |
19 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
274 | More often than most peers in Family Practice |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
185 | More often than most peers in Family Practice |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
150 | More often than most peers in Family Practice |
| Administration of pneumococcal vaccine | Billing code | G0009 |
38 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
30 | Less often than most peers in Family Practice |
| Hemoglobin a1c level | Lab test | 83036 |
26 | Less often than most peers in Family Practice |
| Administration of influenza virus vaccine | Billing code | G0008 |
24 | As often as other peers in Family Practice |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
18 | Less often than most peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Palmer is a family practice in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Palmer is listed at 25 New Hampshire Ave Suite 100, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (603) 431-2516. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Palmer's National Provider Identifier is 1326029380. 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
Dr. Palmer attended Ohio University, College of Osteopathic Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Dr. Palmer has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Palmer provides treatments such as pneumococcal conjugate vaccine, 20 valent , for intramuscular use and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Palmer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.