Physician Profile
Unclaimed ProfileAbout MARKIEWITZ
Mary Ann Markiewitz, PA-C is a physician assistant based in Sacramento, CA. Mary is also listed as specializing in physician assistant — medical and physician assistant — surgical. According to Medicare claims data, Mary cared for 856 Medicare patients across 927 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (916) 733-3792
- Email not available
Practice Locations
1020 29TH ST SUITE 570A
Sacramento, CA 95816
Procedures Most Often Billed to Medicare
927 services · 856 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
130 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
130 |
| Influenza vaccine, inactivated | Treatment | 90653 |
83 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
289 |
| Administration of influenza virus vaccine | Billing code | G0008 |
90 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
63 |
| Automated urinalysis test | Lab test | 81003 |
57 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
40 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
24 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
21 |
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 physician assistants at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 31 related providers in 4 groups
Other physician assistants in Sacramento 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Sarscov2 vac 50 mcg/0.5ml im 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Markiewitz's specialty?
Dr. Markiewitz is a physician assistant in Sacramento, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where can I find Dr. Markiewitz?
Dr. Markiewitz is listed at 1020 29TH ST SUITE 570A, Sacramento, CA 95816. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Markiewitz?
The number on file is (916) 733-3792. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Markiewitz's NPI number?
Dr. Markiewitz's National Provider Identifier is 1063588044. 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
What is Dr. Markiewitz's medical education?
Dr. Markiewitz attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Markiewitz been practicing?
Dr. Markiewitz has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Markiewitz known for?
According to Medicare billing data, Dr. Markiewitz provides treatments such as sarscov2 vac 50 mcg/0.5ml 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
Has Dr. Markiewitz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Markiewitz. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.