MR. JOHN GREENWALD M.D.
NPI 1437560554
Hospitalist in Bethesda, MD

Active since May 12, 2014
86.79/100
CMS Quality Rating
8901 ROCKVILLE PIKE, BUILDING 1, 19TH FLOOR, ROOM 19122, BETHESDA, MD 20889(301) 319-8278 Get Directions Write a Review

NPPES record last updated: August 30, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. John Greenwald M.d. NPPES

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

MR. JOHN GREENWALD M.D. (NPI 1437560554) is an individual hospitalist provider in Bethesda, Maryland, licensed in District Of Columbia (MD210001399) and active in the NPI registry since May 2014.

NPPES Registry Identity

NPI1437560554
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMR. JOHN GREENWALDCredential: M.D.
Location Address8901 ROCKVILLE PIKE, BUILDING 1, 19TH FLOOR, ROOM 19122Bethesda, MD 20889
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (202) 494-1423
Sole ProprietorNo
Enumeration DateMay 12, 2014
Last NPPES UpdateAugust 30, 2021
NPPES CertifiedAugust 30, 2021
NPI 1437560554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in DC · MD210001399
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
8901 ROCKVILLE PIKE, Bethesda, MD 20889

Areas of Expertise CMS Part B claims 8

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.
187 services77 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
46 services46 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
44 services19 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.
33 services33 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
22 services22 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.
22 services15 patients

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.

86.79/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.46
Promoting Interoperability97
Improvement Activities40
Cost72

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.

Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889

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 John Greenwald's NPI number?

The NPI number for John Greenwald is 1437560554. It was assigned to this individual provider in the NPPES registry on May 12, 2014.

Where is John Greenwald located?

John Greenwald practices at 8901 Rockville Pike Building 1, 19th Floor, Room 19122, Bethesda, MD 20889. The listed phone number is (301) 319-8278.

What is John Greenwald's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

When was this NPI record last updated?

The NPPES record for John Greenwald was last updated on August 30, 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.