Physician Profile
Mary C. Gessner-Peterson, DO
Unclaimed ProfileAbout Dr. Gessner-Peterson
Mary C. Gessner-Peterson, DO practices internal medicine in Alpine, CA. Mary is a 2005 graduate of Philadelphia College of Osteopathic Medicine. Mary is also listed as specializing in emergency medical services. According to Medicare claims data, Mary cared for 7,469 Medicare patients across 23,675 services. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, and subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1861662884.
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
- (619) 326-4445
- Email not available
Practice Locations
2710 ALPINE BLVD # 205
Alpine, CA 91901
1730 Alpine Blvd Ste 109B
Alpine, CA 91901
Conditions Commonly Evaluated or Treated
Within Internal 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.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
- Alzheimer's disease
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
- Diverticulitis
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
- Back pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
23,675 services · 7,469 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
853 | Too few peers to compare |
| Application of chemical to stop tissue regrowth in wound | Procedure | 17250 |
456 | Too few peers to compare |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
98 | More often than most peers in Internal Medicine |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
171 | As often as other peers in Internal Medicine |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
8,985 | Too few peers to compare |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
2,853 | Too few peers to compare |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
2,814 | Too few peers to compare |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
1,469 | Too few peers to compare |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
1,041 | Too few peers to compare |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
866 | Too few peers to compare |
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.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other internists in Alpine 5
Same specialty, same city.
Trained at Philadelphia College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2005 at Philadelphia College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of skin and tissue, 20.0 sq cm or less 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Gessner-Peterson?
Dr. Gessner-Peterson is an internist in Alpine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Dr. Gessner-Peterson's address?
Dr. Gessner-Peterson is listed at 2710 Alpine Blvd # 205, Alpine, CA 91901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Gessner-Peterson?
The number on file is (619) 326-4445. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Gessner-Peterson's NPI number?
Dr. Gessner-Peterson's National Provider Identifier is 1861662884. 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
Where did Dr. Gessner-Peterson train?
Dr. Gessner-Peterson attended Philadelphia College of Osteopathic Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gessner-Peterson been practicing?
Dr. Gessner-Peterson has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Gessner-Peterson perform?
According to Medicare billing data, Dr. Gessner-Peterson performs procedures including removal of skin and tissue, 20.0 sq cm or less, application of chemical to stop tissue regrowth in wound and insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gessner-Peterson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gessner-Peterson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.