M MEDICAL GROUP, INC.
NPI 1164238333
Internal Medicine in Rising Sun, MD

Active since December 03, 2024
1881 TELEGRAPH RD, RISING SUN, MD 21911(410) 658-6555 Get Directions Write a Review

NPPES record last updated: December 3, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About M Medical Group, Inc. NPPES

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

M MEDICAL GROUP, INC. (NPI 1164238333) is a healthcare organization registered as an internal medicine in Rising Sun, Maryland and active in the NPI registry since December 2024. The organization lists Krystle D Brown, Billing Manager, as its authorized official.

NPPES Registry Identity

NPI1164238333
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameM MEDICAL GROUP, INC.
Location Address1881 TELEGRAPH RDRising Sun, MD 21911-2018
Mailing Address1881 Telegraph RdRising Sun, MD 21911-2018 · (410) 658-6555
Organization SubpartNo
Authorized OfficialKrystle D BrownBilling Manager · (410) 800-6251
Enumeration DateDecember 3, 2024
NPPES CertifiedDecember 3, 2024
✔ NPI 1164238333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
1881 TELEGRAPH RD, Rising Sun, MD 21911

Other Names 1

Other NameCalvert Manor For Rehab

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

M Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

94

Medicare enrollment records show 94 clinicians reassign Medicare billing to M Medical Group, Inc., which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 10

Nurse Practitioner46
Internal Medicine28
Family Practice6
Hospitalist6
Critical Care (Intensivists)3
Emergency Medicine1
General Practice1
Interventional Pain Management1
2 other specialties2

Nearest to this location (20)

See all 94
Internal Medicine
NPI 1982139119
106 BOW ST
Elkton, MD 21921
(410) 398-4000
✔ PECOS✔ Accepts Medicare10 mi
Nephrology
NPI 1194276063
106 BOW ST
Elkton, MD 21921
(410) 398-4000
✔ PECOS✔ Accepts Medicare10 mi
Internal Medicine
NPI 1811024631
86 OMEGA DR STE 86
Newark, DE 19713
(302) 738-5500
✔ PECOS✔ Accepts Medicare16 mi
Internal Medicine
NPI 1952838344
2 NORTH AVE STE 101
Bel Air, MD 21014
(410) 838-6434
✔ PECOS✔ Accepts Medicare17 mi
Nurse Practitioner
NPI 1043621543
222 CARTER DR STE 101
Middletown, DE 19709
(302) 378-5494
✔ PECOS✔ Accepts Medicare21 mi
Internal Medicine
NPI 1700881315
615 W MACPHAIL RD STE 106
Bel Air, MD 21014
(410) 638-8900
✔ PECOS✔ Accepts Medicare23 mi
Nurse Practitioner
NPI 1891778791
16 GRANNY SMITH CT
Baltimore, MD 21220
(443) 717-4762
✔ PECOS34 mi
Internal Medicine
NPI 1376816314
8813 WALTHAM WOODS RD
Parkville, MD 21234
(410) 661-3866
✔ PECOS✔ Accepts Medicare37 mi
Nurse Practitioner
NPI 1558749267
28 HADDINGTON RD
Timonium, MD 21093
(410) 961-0844
✔ PECOS✔ Accepts Medicare39 mi
Nurse Practitioner
NPI 1932582517
901 DULANEY VALLEY RD SUITE 129
Towson, MD 21204
(800) 370-3651
✔ PECOS✔ Accepts Medicare39 mi
Internal Medicine
NPI 1093976177
7601 OSLER DR
Towson, MD 21204
(410) 627-9278
✔ PECOS✔ Accepts Medicare40 mi
Hospitalist
NPI 1396787578
7601 OSLER DR
Towson, MD 21204
(410) 427-2054
✔ PECOS✔ Accepts Medicare40 mi
Critical Care (Intensivists)
NPI 1912332008
600 N WOLFE ST
Baltimore, MD 21287
(410) 935-0244
✔ PECOS✔ Accepts Medicare43 mi
Internal Medicine
NPI 1467685586
827 LINDEN AVE
Baltimore, MD 21201
(410) 225-8000
✔ PECOS✔ Accepts Medicare44 mi
Hospitalist
NPI 1871904573
1217 W FAYETTE ST
Baltimore, MD 21223
(443) 325-0031
✔ PECOS✔ Accepts Medicare45 mi
Family Practice
NPI 1245231331
10715 LITTLE PATUXENT PKWY STE 100B
Columbia, MD 21044
(443) 917-6647
✔ PECOS✔ Accepts Medicare58 mi
Family Practice
NPI 1710169446
5999 HARPERS FARM RD STE W230
Columbia, MD 21044
(410) 383-2250
✔ PECOS✔ Accepts Medicare59 mi
Interventional Pain Management
NPI 1770690067
3701 INTERNATIONAL DR
Silver Spring, MD 20906
(301) 598-2900
✔ PECOS72 mi
Critical Care (Intensivists)
NPI 1376656413
1150 VARNUM ST NE
Washington, DC 20017
(202) 269-7000
✔ PECOS✔ Accepts Medicare75 mi
Pulmonary Disease
NPI 1619105863
4601 MARTIN LUTHER KING JR AVE SW
Washington, DC 20032
(202) 373-5840
✔ PECOS✔ Accepts Medicare82 mi
See all 94 clinicians

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

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 M Medical Group, Inc.'s NPI number?

The NPI number for M Medical Group, Inc. is 1164238333. It was assigned to this organization in the NPPES registry on December 3, 2024. The provider is also known as Calvert Manor for Rehab.

Where is M Medical Group, Inc. located?

M Medical Group, Inc. is located at 1881 Telegraph Rd, Rising Sun, MD 21911. The listed phone number is (410) 658-6555.

What is M Medical Group, Inc.'s specialty?

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

Is M Medical Group, Inc. enrolled in Medicare?

Yes. M Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through M Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 94 clinicians in 10 Medicare specialties reassign their Medicare billing to M Medical Group, Inc.. A 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 the clinician's services. The largest specialties are Nurse Practitioner (46), Internal Medicine (28) and Family Practice (6). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for M Medical Group, Inc. was last updated on December 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.