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Edit this profileWhere to find Mariel Muriel Pastrana, MD
- Walnut Creek location main office
1220 Rossmoor Pkwy, Walnut Creek, CA 94595 - Escondido location
2185 Citracado Pkwy, Escondido, CA 92029
About Dr. Muriel Pastrana
Mariel Muriel Pastrana, MD is a healthcare provider in Walnut Creek, CA specializing in internal medicine. Mariel trained at Ponce School of Medicine, graduating in 2010. According to Medicare claims data, Mariel cared for 285 Medicare patients across 409 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, and hospital discharge day management, more than 30 minutes. This provider record is associated with NPI 1538488580.
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
- (925) 947-3393
- Email not available
Practice Locations
1220 ROSSMOOR PKWY
Walnut Creek, CA 94595
2185 Citracado Pkwy
Escondido, CA 92029
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
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
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
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
409 services · 285 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
237 | More often than most peers in Internal Medicine |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
75 | More often than most peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
46 | As often as other peers in Internal Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
22 | Less often than most peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
16 | Less often than most peers in Internal Medicine |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
13 | Less often than most peers in Internal 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.
Other internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 22 related providers in 3 groups
Other internists in Walnut Creek 6
Same specialty, same city.
Trained at Ponce School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Ponce School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Muriel Pastrana?
Dr. Muriel Pastrana is an internist in Walnut Creek, 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. Muriel Pastrana's address?
Dr. Muriel Pastrana is listed at 1220 Rossmoor Pkwy, Walnut Creek, CA 94595. 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. Muriel Pastrana?
The number on file is (925) 947-3393. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Muriel Pastrana's NPI number?
Dr. Muriel Pastrana's National Provider Identifier is 1538488580. 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. Muriel Pastrana train?
Dr. Muriel Pastrana attended Ponce School of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Muriel Pastrana been practicing?
Dr. Muriel Pastrana has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Muriel Pastrana perform?
According to Medicare billing data, Dr. Muriel Pastrana 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
Has Dr. Muriel Pastrana confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Muriel Pastrana. If this is you, claiming it is free.
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