DR. SARA MIXTER M.D.
NPI 1386961274
Internal Medicine in Baltimore, MD

Q: What is Sara Mixter's NPI number?

The NPI number for Sara Mixter is 1386961274. It was assigned to this individual provider in the NPPES registry on April 30, 2010.

Q: What is Sara Mixter's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Sara Mixter was last updated on March 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 30, 2010PECOS Enrolled

601 N WOLFE ST, BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: March 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Sara Mixter M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SARA MIXTER M.D. (NPI 1386961274) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0077989) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Harvard Medical School (2010).

NPPES Registry Identity

NPI1386961274

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. SARA MIXTERCredential: M.D.

Location Address601 N WOLFE STBaltimore, MD 21287-0004

Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-4380

Phone(410) 955-5000

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 2010

Enumeration DateApril 30, 2010

Last NPPES UpdateMarch 31, 2023

NPPES CertifiedMarch 31, 2023

✔ NPI 1386961274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MD · D0077989

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedPediatricsTaxonomy 208000000X · License D0077989 (MD)

601 N WOLFE ST, Baltimore, MD 21287

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Sara Mixter M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426209792

PECOS Enrollment IDI20141031001083

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Sara Mixter reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins University

Same address

Pediatric Allergy/Immunology

600 N WOLFE ST
Baltimore, MD 21287

Reassigned Medicare billing, Maryland enrollment
4,483 clinicians in this Medicare group

NPI 1023018413 (410) 933-1182

Johns Hopkins Community Physicians, Inc

0.1 mi

Internal Medicine

600 N WOLFE ST
Baltimore, MD 21287

Reassigned Medicare billing, District of Columbia and Maryland enrollments
Also billed through NPI 1124629837 (Maryland)
691 clinicians in this Medicare group

NPI 1255359972 (410) 502-2037

Johns Hopkins University

0.1 mi

Hospitalist

600 N WOLFE ST
Baltimore, MD 21287

Reassigned Medicare billing, Maryland enrollment
Also billed through NPI 1902332133 (Maryland)
34 clinicians in this Medicare group

NPI 1992360861 (410) 502-6627

Baltimore Medical Systems, Inc.

2.3 mi

Federally Qualified Health Center (FQHC)

5525 EASTERN AVE
Baltimore, MD 21224

Reassigned Medicare billing, Maryland enrollment
Medicare enrollment name: Baltimore Medical System, Inc.
243 clinicians in this Medicare group

NPI 1164138152 (410) 558-4084

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

76 services45 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

66 services35 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

24 services24 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

17 services16 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

14 services11 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

14 services14 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210009

Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County

Emergency services Birthing friendly

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210029

Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 29

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Sterile water, saline and/or dextrose, diluent/flush, 10 ml A4216

DME-Medical/Surgical Supplies · category DA000N

2 suppliers12 claims244 services$0.42 avg. paid by Medicare

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

3 suppliers12 claims27 services$6.31 avg. paid by Medicare

Ostomy deodorant, with or without lubricant, for use in ostomy pouch, per fluid ounce A4394

DME-Orthotic Devices · category DF010N

1 supplier12 claims96 services$2.50 avg. paid by Medicare

Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each A4419

DME-Orthotic Devices · category DF010N

1 supplier12 claims720 services$1.67 avg. paid by Medicare

Tracheal suction catheter, any type other than closed system, each A4624

DME-Other DME · category DE000N

1 supplier12 claims1,080 services$2.45 avg. paid by Medicare

Oropharyngeal suction catheter, each A4628

DME-Other DME · category DE000N

1 supplier26 claims150 services$3.62 avg. paid by Medicare

Skin barrier, wipes or swabs, each A5120

DME-Orthotic Devices · category DF010N

3 suppliers14 claims800 services$0.21 avg. paid by Medicare

Canister, disposable, used with suction pump, each A7000

DME-Other DME · category DE000N

3 suppliers40 claims111 services$6.70 avg. paid by Medicare

Tubing, used with suction pump, each A7002

DME-Other DME · category DE000N

3 suppliers37 claims106 services$3.71 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

2 suppliers19 claims38 services$1.38 avg. paid by Medicare

Large volume nebulizer, disposable, unfilled, used with aerosol compressor A7007

DME-Other DME · category DE000N

1 supplier12 claims24 services$3.71 avg. paid by Medicare

Corrugated tubing, disposable, used with large volume nebulizer, 100 feet A7010

DME-Other DME · category DE000N

2 suppliers11 claims11 services$15.38 avg. paid by Medicare

Water collection device, used with large volume nebulizer A7012

DME-Other DME · category DE000N

1 supplier11 claims36 services$2.66 avg. paid by Medicare

Tracheostomy mask, each A7525

DME-Orthotic Devices · category DF000N

1 supplier12 claims12 services$2.00 avg. paid by Medicare

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

2 suppliers21 claims630 services$2.63 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

2 suppliers24 claims720 services$5.40 avg. paid by Medicare

Enteral feeding supply kit; gravity fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4036

Other-Enteral and Parenteral · category OB006N

2 suppliers14 claims419 services$3.32 avg. paid by Medicare

Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150

Other-Enteral and Parenteral · category OB006N

2 suppliers31 claims13,041 services$0.32 avg. paid by Medicare

Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154

Other-Enteral and Parenteral · category OB006N

2 suppliers13 claims3,025 services$0.64 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier21 claims21 services$31.29 avg. paid by Medicare

Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465

DME-Other DME · category DE005N

1 supplier11 claims11 services$783.27 avg. paid by Medicare

Wheelchair accessory, headrest, cushioned, any type, including fixed mounting hardware, each E0955

DME-Wheelchairs · category DD021N

4 suppliers13 claims13 services$14.22 avg. paid by Medicare

Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028

DME-Wheelchairs · category DD021N

4 suppliers13 claims17 services$14.18 avg. paid by Medicare

Manual adult size wheelchair, includes tilt in space E1161

DME-Wheelchairs · category DD000N

5 suppliers24 claims24 services$185.67 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

3 suppliers20 claims4,037 services$0.03 avg. paid by Medicare

Levalbuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 0.5 mg J7614

DME-Drugs Administered Through DME · category DG006N

2 suppliers15 claims2,709 services$0.04 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

1 supplier12 claims720 services$0.82 avg. paid by Medicare

Repair or nonroutine service for durable medical equipment other than oxygen equipment requiring the skill of a technician, labor component, per 15 minutes K0739

DME-Other DME · category DE000N

3 suppliers14 claims75 services$13.35 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

4 suppliers32 claims32 services$24.40 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHIMELIE CHUKWUEMEKA CHIBUTUTU MD

Student in an Organized Health Care Education/Training Program

601 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-3980

MRS. KAREN AILEEN STADD CRNP

Nurse Practitioner (Neonatal, Critical Care)

601 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5255

MRS. AUREA Q BAISAS-ARCE CRNP

Nurse Practitioner (Neonatal, Critical Care)

601 N WOLFE ST
BALTIMORE, MD 21287

Baltimore City (410) 955-5255

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sara Mixter's NPI number?

The NPI number for Sara Mixter is 1386961274. It was assigned to this individual provider in the NPPES registry on April 30, 2010.

Where is Sara Mixter located?

Sara Mixter practices at 601 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Sara Mixter's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sara Mixter enrolled in Medicare?

Yes. Sara Mixter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sara Mixter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Mixter reassigns Medicare benefits to 4 organizations: Johns Hopkins University (Baltimore, MD), Johns Hopkins Community Physicians, Inc (Baltimore, MD), Johns Hopkins University (Baltimore, MD) and Baltimore Medical Systems, Inc. (Baltimore, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sara Mixter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sara Mixter affiliated with any hospitals?

According to CMS data, Sara Mixter is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Sara Mixter was last updated on March 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.