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BLESSY JOHN M.D.
NPI 1548524218
Internal Medicine - Infectious Disease in Saint Louis, MO

Active since June 27, 2012PECOS EnrolledAccepts Medicare Assignment
42.25/100
CMS Quality Rating
10004 KENNERLY RD STE 171B, SAINT LOUIS, MO 63128(314) 821-0900 Get Directions Write a Review

NPPES record last updated: August 25, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 25, 2021, Aug 10, 2021, Aug 25, 2017 (3 updates tracked since 2017).

About Blessy John M.d. NPPES

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

BLESSY JOHN M.D. (NPI 1548524218) is an individual infectious disease provider in Saint Louis, Missouri, licensed in Missouri (2017010594) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1548524218
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameBLESSY JOHNCredential: M.D.
Location Address10004 KENNERLY RD STE 171BSaint Louis, MO 63128-2176
Mailing AddressPo Box 504934Saint Louis, MO 63150-4934 · (314) 824-0900
Phone(314) 821-0900
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJune 27, 2012
Last NPPES UpdateAugust 25, 20213 updates tracked since enumeration
NPPES CertifiedAugust 25, 2021
✔ NPI 1548524218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in MO · 2017010594
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
10004 KENNERLY RD STE 171B, Saint Louis, MO 63128
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

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

Blessy John 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 ID3779895271
PECOS Enrollment IDI20170814000854
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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
977 services291 patients
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365
This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.
342 services16 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.
211 services73 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
191 services180 patients
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.
113 services51 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260077
Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County
Emergency services

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260091
Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63128 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

42.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality51.05
Improvement Activities0
Cost39.84

Other Providers at the Same Location NPPES 2

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

RAMONA AITKEN MD
Internal Medicine (Infectious Disease)
10004 KENNERLY RD STE 171B
SAINT LOUIS, MO 63128
St. Louis County (314) 821-0900
UCHENNA THERESE IKEDIOBI M.D.
Internal Medicine (Infectious Disease)
10004 KENNERLY RD STE 171B
SAINT LOUIS, MO 63128
St. Louis County (314) 821-0900

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 Blessy John's NPI number?

The NPI number for Blessy John is 1548524218. It was assigned to this individual provider in the NPPES registry on June 27, 2012.

Where is Blessy John located?

Blessy John practices at 10004 Kennerly Rd Ste 171B, Saint Louis, MO 63128. The listed phone number is (314) 821-0900.

What is Blessy John's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Blessy John enrolled in Medicare?

Yes. Blessy John 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.

What insurance does Blessy John accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Blessy John as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Blessy John affiliated with any hospitals?

According to CMS data, Blessy John is affiliated with Mercy Hospital South and Ssm Health St Mary's Hospital - St Louis.

When was this NPI record last updated?

The NPPES record for Blessy John was last updated on August 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.