DR. MARTHA JOHNSON M.D.
NPI 1669649885
Family Medicine in Baltimore, MD

Active since May 15, 2008PECOS EnrolledAccepts Medicare Assignment
80.17/100
CMS Quality Rating
9101 FRANKLIN SQUARE DR, BALTIMORE, MD 21237(443) 777-2000 Get Directions Write a Review

NPPES record last updated: August 29, 2016. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Martha Johnson M.d. NPPES

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

DR. MARTHA JOHNSON M.D. (NPI 1669649885) is an individual family medicine provider in Baltimore, Maryland, licensed in Maryland (D0074552) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2008).

NPPES Registry Identity

NPI1669649885
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARTHA JOHNSONCredential: M.D.
Location Address9101 FRANKLIN SQUARE DRBaltimore, MD 21237-3936
Mailing Address9101 Franklin Square DrBaltimore, MD 21237-3936 · (443) 777-2000
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2008
Enumeration DateMay 15, 2008
Last NPPES UpdateAugust 29, 2016
NPI 1669649885 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MD · D0074552
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
9101 FRANKLIN SQUARE DR, Baltimore, MD 21237

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Martha Johnson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254504426
PECOS Enrollment IDI20120928000560
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.

Areas of Expertise CMS Part B claims 10

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.
231 services140 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
100 services32 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.
61 services61 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services42 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
33 services33 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
26 services14 patients

Hospital Affiliations CMS Care Compare

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

University Of Maryland Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210002
Location22 South Greene StreetBaltimore, MD 21201 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21237 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

Referred Medical Equipment & Supplies CMS DME claims 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers11 claims26 services$5.26 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers18 claims18 services$15.31 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers24 claims24 services$71.82 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 20

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

Occupational Therapist (Hand)
9101 FRANKLIN SQUARE DR
ROSEDALE, MD 21237
Pediatrics
9101 FRANKLIN SQUARE DR, SUITE 205
BALTIMORE, MD 21237
Internal Medicine (Endocrinology, Diabetes & Metabolism)
9101 FRANKLIN SQUARE DR, SUITE 214
BALTIMORE, MD 21237
Dietitian, Registered (Nutrition, Metabolic)
9101 FRANKLIN SQUARE DR, SUITE 205
BALTIMORE, MD 21237
General Practice
9101 FRANKLIN SQUARE DR
BALTIMORE, MD 21237
Pediatrics
9101 FRANKLIN SQUARE DR, SUITE 205
BALTIMORE, MD 21237
Pediatrics
9101 FRANKLIN SQUARE DR, SUITE 205
BALTIMORE, MD 21237
Family Medicine
9101 FRANKLIN SQUARE DR, SUITE 205
BALTIMORE, MD 21237

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 Martha Johnson's NPI number?

The NPI number for Martha Johnson is 1669649885. It was assigned to this individual provider in the NPPES registry on May 15, 2008.

Where is Martha Johnson located?

Martha Johnson practices at 9101 Franklin Square Dr, Baltimore, MD 21237. The listed phone number is (443) 777-2000.

What is Martha Johnson's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Martha Johnson enrolled in Medicare?

Yes. Martha Johnson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Martha Johnson affiliated with any hospitals?

According to CMS data, Martha Johnson is affiliated with University Of Maryland Medical Center.

When was this NPI record last updated?

The NPPES record for Martha Johnson was last updated on August 29, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.