Are you Mary C. Cerni, D.O.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1325 N Rose Dr, Suite 203, Placentia, CA 92870
About Dr. Cerni
Based in Placentia, CA, Mary C. Cerni, D.O. is listed in the NPI registry under family medicine — adult medicine. Medicare claims data shows Mary provided 143 services to 121 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, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1164519989 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (714) 529-5674
- Email not available
Practice Locations
1325 N ROSE DR SUITE 203
Placentia, CA 92870
Conditions Commonly Evaluated or Treated
Within Family Medicine — Adult 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
Blood
Digestive
- Acid reflux
- Constipation
- Fatty liver disease
- Hemorrhoids
- IBS
- Viral gastroenteritis
Ear, nose & throat
- Ear infection
- Sinus infection
Endocrinology
Eye
General symptoms
Heart & circulation
Infections
- Lyme disease
Injury
Joint & muscle
Men's health
- Erectile dysfunction
- Testosterone deficiency
Mental health
- Adult ADHD
- Anxiety
- Depression
Neurology
- Migraines
- Vertigo
Pain
Respiratory
- Acute bronchitis
- Asthma
- Chronic cough
Sexual & reproductive health
Skin
- Acne
- Contact dermatitis
- Eczema
- Foot fungus
- Hair loss
- Herpes simplex of the skin
- Precancerous sun spot
- Psoriasis
- Rosacea
- Shingles
Sleep
Sleep & nerve
Spine & nerve
Urinary
- Painful urination
- Urinary incontinence in women
Women's health
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Allergy
- Allergy shot
Brain & nerve
- Cognitive Assessment
Diagnostic testing
- Rapid flu test
- Rapid strep testing
- Workplace Drug Test
Ear, nose & throat
- Earwax removal
Evaluations
- Pre-surgery medical clearance
- Sports physical
Heart
- Heart monitor
Heart & circulation
- EKG
Immunization
Infectious disease
- COVID-19 testing
Medication management
- Prescription Refill
Men's health
- Testosterone Therapy Consultation
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
Minor surgery
- Cyst Removal
- Incision and drainage of an abscess
- Ingrown toenail removal
- Minor laceration repair
- Suture removal
Pain
- Joint injection or aspiration
- Knee Joint Injection
- Shoulder Joint Injection
- Trigger-point injection
Physicals
- DOT Physical
Preventive care
- Colon cancer screening consult
- Diabetic Foot Care
- Smoking cessation counseling
Respiratory
Sexual & reproductive health
- Depo Shot
- IUD Removal
Sexual health
- STI Testing
Skin
- Cryotherapy for skin lesions
- Mole Check
- Skin biopsy
- Skin Tag Removal
Skin procedures
Vaccines
- COVID-19 Booster
- Hepatitis B vaccine
- HPV vaccine
Weight management
- Weight Loss Injections and Medication
Wellness
Women's health
- Birth control counseling
- Contraceptive implant insertion and removal
- Hormone replacement therapy consult
- IUD insertion
- Pap smear
Procedures Most Often Billed to Medicare
143 services · 121 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
49 | Less often than most peers in Family Medicine — Adult Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
31 | As often as other peers in Family Medicine — Adult Medicine |
| 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 Medicine — Adult Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
20 | Less often than most peers in Family Medicine — Adult Medicine |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
13 | Less often than most peers in Family Medicine — Adult Medicine |
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.
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.
Common questions
What kind of doctor is Mary C. Cerni?
Mary C. Cerni is a family doctor in Placentia, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine — Adult Medicine”.
NPI registry
What is Mary C. Cerni's address?
Mary C. Cerni is listed at 1325 N Rose Dr Suite 203, Placentia, CA 92870. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary C. Cerni?
The number on file is (714) 529-5674. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mary C. Cerni?
Mary C. Cerni's National Provider Identifier is 1164519989. 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
How much experience does Mary C. Cerni have?
Mary C. Cerni has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Mary C. Cerni perform?
According to Medicare billing data, Mary C. Cerni 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 Mary C. Cerni's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary C. Cerni. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.