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DR. JENNIFER SOPHIE MAMMEN M.D.
NPI 1982742219
Internal Medicine - Endocrinology, Diabetes & Metabolism in Baltimore, MD

Active since February 01, 2007PECOS Enrolled
74.39/100
CMS Quality Rating
1830 E MONUMENT ST, SUITE 333, BALTIMORE, MD 21287(410) 955-3663(410) 955-8172 Get Directions Write a Review

NPPES record last updated: January 29, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jennifer Sophie Mammen M.d. NPPES

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

DR. JENNIFER SOPHIE MAMMEN M.D. (NPI 1982742219) is an individual endocrinology, diabetes & metabolism provider in Baltimore, Maryland, licensed in Maryland (D66867) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Johns Hopkins University School Of Medicine (2004).

NPPES Registry Identity

NPI1982742219
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. JENNIFER SOPHIE MAMMENCredential: M.D.
Location Address1830 E MONUMENT ST, SUITE 333Baltimore, MD 21287-0020
Mailing Address1830 E Monument St, Suite 333Baltimore, MD 21287-0020 · (410) 955-3663 · Fax (410) 955-8172
Phone(410) 955-3663
Fax(410) 955-8172
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2004
Enumeration DateFebruary 1, 2007
Last NPPES UpdateJanuary 29, 2010
✔ NPI 1982742219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in MD · D66867✔ Licensed in MD · T3876
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
1830 E MONUMENT ST, Baltimore, MD 21287
Open in Google Maps ↗

Other Identifiers 2

Medicare PIN170231ZAC3MD
Medicaid027769000MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jennifer Sophie Mammen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4486795481
PECOS Enrollment IDI20100113000565
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 7

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.
103 services83 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
59 services59 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.
55 services48 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
27 services27 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.
22 services21 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.

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.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

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.

ROBERT HEGARTY C.R.N.P.
Nurse Practitioner
1830 E MONUMENT ST, 4TH FLOOR
BALTIMORE, MD 21287
Baltimore City (410) 955-1725
MICHAEL RICHARD EHMANN M.D.
Emergency Medicine
1830 E MONUMENT ST, SUITE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5107
MR. RUBEN TRONCOSO JR. MD, MPH
Emergency Medicine (Emergency Medical Services)
1830 E MONUMENT ST, SUITE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-3380
EDWARD ALAN WEINSTEIN MD, PHD
Internal Medicine
1830 E MONUMENT ST, ROOM 457
BALTIMORE, MD 21287
Baltimore City (410) 502-2326
MS. EISHA CHOPRA M.D.
Emergency Medicine
1830 E MONUMENT ST, SUITE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5107
DR. ASHRAF FAWZY MD, MPH
Internal Medicine (Pulmonary Disease)
1830 E MONUMENT ST, 5TH FLOOR
BALTIMORE, MD 21287
Baltimore City (410) 550-2304
VANESSA VANEPPS REDD MD
Emergency Medicine
1830 E MONUMENT ST, SUITE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5107
MRS. IRYNE ZZIWA-KABENGE CRNP
Nurse Practitioner (Adult Health)
1830 E MONUMENT ST, SUITE 418
BALTIMORE, MD 21287
Baltimore City (410) 614-1069

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 Jennifer Mammen's NPI number?

The NPI number for Jennifer Mammen is 1982742219. It was assigned to this individual provider in the NPPES registry on February 1, 2007.

Where is Jennifer Mammen located?

Jennifer Mammen practices at 1830 E Monument St Suite 333, Baltimore, MD 21287. The listed phone number is (410) 955-3663.

What is Jennifer Mammen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Jennifer Mammen enrolled in Medicare?

Yes. Jennifer Mammen is registered in the Medicare PECOS enrollment system.

Is Jennifer Mammen affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Jennifer Mammen was last updated on January 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.