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HILARY B WHITLATCH M.D.
NPI 1952407264
Internal Medicine - Endocrinology, Diabetes & Metabolism in Baltimore, MD

Active since September 15, 2006PECOS EnrolledAccepts Medicare Assignment
800 LINDEN AVE FL 2, BALTIMORE, MD 21201(443) 682-6800(443) 552-2991 Get Directions Write a Review

NPPES record last updated: December 29, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 29, 2022, Jan 5, 2017, Nov 18, 2015 (3 updates tracked since 2015).

About Hilary B Whitlatch M.d. NPPES

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

HILARY B WHITLATCH M.D. (NPI 1952407264) is an individual endocrinology, diabetes & metabolism provider in Baltimore, Maryland, licensed in Maryland (D81118) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Tufts University School Of Medicine (2003).

NPPES Registry Identity

NPI1952407264
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameHILARY B WHITLATCHCredential: M.D.
Location Address800 LINDEN AVE FL 2Baltimore, MD 21201-4622
Mailing Address800 Linden Ave Fl 2Baltimore, MD 21201-4622 · (617) 821-9867 · Fax (443) 462-3514
Phone(443) 682-6800
Fax(443) 552-2991
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2003
Enumeration DateSeptember 15, 2006
Last NPPES UpdateDecember 29, 20223 updates tracked since enumeration
NPPES CertifiedDecember 29, 2022
✔ NPI 1952407264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MD · D81118
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.
800 LINDEN AVE FL 2, Baltimore, MD 21201
Open in Google Maps ↗

Other Identifiers 1

Medicaid850017700MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hilary B Whitlatch 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 ID345249231
PECOS Enrollment IDI20160525000550
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.

Medicare Billing Reassignment

Medicare enrollment records show Hilary Whitlatch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Maryland Physicians PA
0.7 mi
Pulmonary Disease
22 S GREENE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 614 clinicians in this Medicare group
NPI 1144270687 (410) 328-8040

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

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.

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.
399 services276 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.
111 services37 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.
75 services52 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.
45 services44 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.
44 services44 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.
20 services20 patients

Hospital Affiliations CMS Care Compare 4

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

University Of MD Shore Medical Center At Easton

Acute Care Hospitals · Easton, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210037
Location219 South Washington StreetEaston, MD 21601 · Talbot County
Emergency services

University Of MD Medical Center Midtown Campus

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210038
Location827 Linden AvenueBaltimore, MD 21201 · Baltimore City County
Emergency services

University Of MD St Joseph Medical Center

Acute Care Hospitals · Towson, MD
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210063
Location7601 Osler DriveTowson, MD 21204 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 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.

Referred Medical Equipment & Supplies CMS DME claims 4

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
44 suppliers135 claims357 services$6.28 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
21 suppliers50 claims77 services$1.11 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
12 suppliers219 claims220 services$188.84 avg. paid by Medicare
Receiver (monitor), dedicated, for use with therapeutic glucose continuous monitor system K0554
DME-Other DME · category DE017N
6 suppliers16 claims16 services$189.83 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Hilary Whitlatch's NPI number?

The NPI number for Hilary Whitlatch is 1952407264. It was assigned to this individual provider in the NPPES registry on September 15, 2006.

Where is Hilary Whitlatch located?

Hilary Whitlatch practices at 800 Linden Ave Fl 2, Baltimore, MD 21201. The listed phone number is (443) 682-6800.

What is Hilary Whitlatch's specialty?

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

Is Hilary Whitlatch enrolled in Medicare?

Yes. Hilary Whitlatch 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.

Which organization bills Medicare for Hilary Whitlatch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Whitlatch reassigns Medicare benefits to University Of Maryland Physicians PA (Baltimore, MD). The 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 Hilary Whitlatch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Hilary Whitlatch affiliated with any hospitals?

According to CMS data, Hilary Whitlatch is affiliated with University Of Maryland Medical Center, University Of MD Shore Medical Center At Easton, University Of MD Medical Center Midtown Campus and University Of MD St Joseph Medical Center.

When was this NPI record last updated?

The NPPES record for Hilary Whitlatch was last updated on December 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.