Physician Profile
Gretchen L. Mockler, M.D. is a healthcare provider in Stony Brook, NY specializing in family medicine. Gretchen trained at Js Weill Medical College, Cornell University, graduating in 2002. Medicare claims data shows Gretchen provided 1,409 services to 1,192 patients. 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, insertion of needle into vein for collection of blood sample, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
STONY BROOK FAMILY MEDICINE HSC L4 ROOM 050
Stony Brook, NY 11794
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
1,409 services · 1,192 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
163 | As often as other peers in Family Medicine |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
72 | More than most peers in Family Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
72 | More than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
52 | More often than most peers in Family Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
36 | More often than most peers in Family Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
23 | As often as other peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
276 | More often than most peers in Family Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
156 | More often than most peers in Family Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
155 | More often than most peers in Family Medicine |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
105 | More often than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Gretchen L. Mockler is a family doctor in Stony Brook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Gretchen L. Mockler is listed at Stony Brook Family Medicine Hsc L4 Room 050, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 444-8430. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Gretchen L. Mockler's National Provider Identifier is 1164525457. 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
Gretchen L. Mockler attended Js Weill Medical College, Cornell University, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
Gretchen L. Mockler has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Gretchen L. Mockler performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as sarscv2 vac 30mcg trs-suc im and admn sarscov2 vacc 1 dose, 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 Gretchen L. Mockler. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.