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MS. ALANNA YU TING TENG M.D.
NPI 1386088722
Internal Medicine in Rockville, MD

Active since April 27, 2013PECOS Enrolled
9901 MEDICAL CENTER DR, ROCKVILLE, MD 20850(240) 826-6000 Get Directions Write a Review

NPPES record last updated: January 9, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 9, 2019, Sep 22, 2016 (2 updates tracked since 2016).

About Ms. Alanna Yu Ting Teng M.d. NPPES

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

MS. ALANNA YU TING TENG M.D. (NPI 1386088722) is an individual internal medicine provider in Rockville, Maryland, licensed in Maryland (D81863) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Media.

NPPES Registry Identity

NPI1386088722
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMS. ALANNA YU TING TENGCredential: M.D.
Location Address9901 MEDICAL CENTER DRRockville, MD 20850-3357
Mailing Address9901 Medical Center DrRockville, MD 20850-3357 · (240) 826-6000
Phone(240) 826-6000
Sole ProprietorNo
Enumeration DateApril 27, 2013
Last NPPES UpdateJanuary 9, 20192 updates tracked since enumeration
✔ NPI 1386088722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MD · D81863✔ Licensed in PA · MD465931
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.
Also ListedHospitalistTaxonomy 208M00000X · License MD465931 (PA)
9901 MEDICAL CENTER DR, Rockville, MD 20850
Open in Google Maps ↗

Secondary Practice Location 1

Location 11068 W Baltimore PikeMedia, PA 19063-5104 · Phone (484) 227-4216 · Fax (610) 627-4230

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Alanna Yu Ting Teng M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Alanna Teng reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospitalist Medicine Physicians Of Maryland PC
25 mi
Hospitalist
400 W SEVENTH ST
Frederick, MD 21701
  • Reassigned Medicare billing, District of Columbia enrollment
  • 204 clinicians in this Medicare group
NPI 1992945471 (615) 377-5658
Main Line Healthcare
114 mi
Family Medicine
3803 WEST CHESTER PIKE, H BLDG SUITE 160
Newtown Square, PA 19073
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,638 clinicians in this Medicare group
NPI 1922077643 (484) 337-1585

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
97%31 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

LOGAN HEWITT LMSW LGSM
Social Worker
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (240) 826-6000
DR. SHERRY CHANG PHARM.D.
Pharmacist (Pharmacotherapy)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (301) 294-0612
RAKESH MAKADIA M.D
Internal Medicine
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (240) 826-6000
MESFIN WOLDESENBET M.D.
Pediatrics (Neonatal-Perinatal Medicine)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (240) 826-7392
FABIAN PADRON PA-C
Physician Assistant (Surgical)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (240) 826-6000
SANDRA ST JEAN
Counselor (Professional)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (240) 826-6000
DR. ANUJA RASTOGI M.D.
Pediatrics
9901 MEDICAL CENTER DR, PEDIATRIC FLOOR
ROCKVILLE, MD 20850
Montgomery County (240) 826-6480
NICOLE MARIE EDWARDS PA-C
Physician Assistant (Medical)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (586) 703-4476

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 Alanna Teng's NPI number?

The NPI number for Alanna Teng is 1386088722. It was assigned to this individual provider in the NPPES registry on April 27, 2013.

Where is Alanna Teng located?

Alanna Teng practices at 9901 Medical Center Dr, Rockville, MD 20850. The listed phone number is (240) 826-6000.

What is Alanna Teng's specialty?

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

Is Alanna Teng enrolled in Medicare?

Yes. Alanna Teng is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alanna Teng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alanna Teng reassigns Medicare benefits to 2 organizations: Hospitalist Medicine Physicians Of Maryland PC (Frederick, MD) and Main Line Healthcare (Newtown Square, PA). Each 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 Alanna Teng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alanna Teng was last updated on January 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.